{"product":{"catalog_id":"23247c97-a9e5-4ec6-84f3-04359266142d","is_eligible_search":true,"is_eligible_checkout":false,"item_id":"3eaa3c2c-be68-469b-9666-fe09308d9623","title":"Performance Flex Bra Medium-Impact Support","description":"The On Performance Flex Bra is a medium-impact sports bra designed for running and intense sports, featuring adjustable front straps, a racerback design, and zero clasps or boning. It is made from soft stretch microfibre jersey that wicks moisture, with mesh panels, moulded cups with breathable foam lining, a built-in support band, and reflective details. Available in A-C and D/DD cup versions, it is praised by runners for its chafe-free, seamless fit and adjustable straps.","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=0","brand":"On","condition":"new","product_category":"women sportswear > running","material":"Main material: 62% polyamide, 38% spandex; Mesh: 82% recycled polyamide, 18% elastane; Cup lining: 100% recycled polyester; Bottom band: 86% polyamide, 14% spandex; Straps: 72% polyamide, 28% spandex","age_group":"adult","image_url":"https://imagescdn.simons.ca/images/17575/2506/10/A1_2.jpg","additional_image_urls":["https://imagescdn.simons.ca/images/17575/2506/10/A2_2.jpg"],"images":[{"id":"img-1784702721357-0","url":"https://imagescdn.simons.ca/images/17575/2506/10/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support product image (primary)","position":1,"attributes":{"other":{"summary":"Studio shot of a model wearing the bra against a pale blue seamless background; model is cropped at hips, posed with left arm raised behind head, soft lighting and minimal shadows.","observations":[{"key":"Model pose","kind":"feature","value":"Female model shown from upper thighs to just above head with left arm raised and bent behind head, head tilted down and to the left.","regions":[{"x":0,"y":0,"width":1,"height":1,"confidence":"low"}],"evidence_status":"direct"},{"key":"Background","kind":"feature","value":"Even pale blue seamless background with no visible props or patterns.","regions":[{"x":0,"y":0,"width":1,"height":1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Lighting and shadow","kind":"feature","value":"Soft, diffused lighting producing gentle shadows under the chin and below the underband; highlights are subtle on the skin and fabric.","regions":[{"x":0.24,"y":0.1,"width":0.52,"height":0.7,"confidence":"medium"}],"evidence_status":"direct"},{"key":"Bottom crop and visible shorts","kind":"feature","value":"Top of the model's elastic waistband and a bit of lilac-colored shorts visible at the image bottom edge.","regions":[{"x":0.28,"y":0.66,"width":0.44,"height":0.2,"confidence":"high"}],"evidence_status":"direct"}]},"colors":[{"name":"bright white","part":"main body","regions":[{"x":0.18,"y":0.2,"width":0.64,"height":0.5,"confidence":"high"}],"subject":"product","description":"Solid matte bright white fabric covering the front panel and straps.","estimated_hex":"#FFFFFF"},{"name":"translucent white","part":"mesh inserts","regions":[{"x":0.29,"y":0.26,"width":0.42,"height":0.12,"confidence":"high"},{"x":0.3,"y":0.46,"width":0.4,"height":0.1,"confidence":"high"}],"subject":"product","description":"Semi-sheer translucent white mesh appearing slightly cooler and more translucent than the main fabric.","estimated_hex":"#F5F5F5"},{"name":"black","part":"logo tab","regions":[{"x":0.66,"y":0.55,"width":0.07,"height":0.07,"confidence":"high"}],"subject":"product","description":"Small woven rectangular tab in solid black with contrasting white characters.","estimated_hex":"#000000"}],"product":{"summary":"White sports bra with wide shoulder straps, smooth matte fabric, scoop neckline, a wide elastic underband and a small black woven logo tab at the lower right front. Two visible semi-sheer mesh inserts: a shallow curved panel at the upper chest and a curved under-bust panel.","observations":[{"key":"Overall silhouette","kind":"feature","value":"Cropped sports-bra silhouette with a scooped front neckline, full-coverage front panel and a wide elastic underband that sits across the lower chest.","regions":[{"x":0.06,"y":0.18,"width":0.88,"height":0.45,"confidence":"medium"}],"evidence_status":"direct"},{"key":"Shoulder straps","kind":"feature","value":"Two straight, wide shoulder straps with a slightly textured seam where each strap meets the front chest panel; straps run vertically over the shoulders.","regions":[{"x":0.2,"y":0.16,"width":0.16,"height":0.26,"confidence":"high"},{"x":0.58,"y":0.16,"width":0.14,"height":0.26,"confidence":"high"}],"evidence_status":"direct"},{"key":"Chest mesh insert","kind":"feature","value":"Shallow curved semi-sheer mesh panel inset at the upper chest just below the scoop neckline.","regions":[{"x":0.29,"y":0.26,"width":0.42,"height":0.12,"confidence":"high"}],"evidence_status":"direct"},{"key":"Under-bust mesh panel","kind":"feature","value":"Curved semi-sheer mesh panel situated above the elastic underband at the center front, forming a subtle arc detail.","regions":[{"x":0.3,"y":0.46,"width":0.4,"height":0.1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Underband construction","kind":"feature","value":"Wide elastic underband with a smooth finish and a stitched seam where it attaches to the main body of the bra.","regions":[{"x":0.12,"y":0.54,"width":0.76,"height":0.1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Logo tab","kind":"text","value":"Small vertical black woven tab sewn into the lower right edge of the underband with two small white characters arranged vertically.","regions":[{"x":0.66,"y":0.55,"width":0.07,"height":0.07,"confidence":"high"}],"evidence_status":"direct"},{"key":"Fabric finish","kind":"feature","value":"Main fabric appears smooth with a matte finish and minimal visible texture.","regions":[{"x":0.18,"y":0.24,"width":0.64,"height":0.46,"confidence":"high"}],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["4477573","4477574","4477576","4669631","4669633","4669635"]},{"id":"img-1784702721357-1","url":"https://imagescdn.simons.ca/images/17575/2506/10/A2_2.jpg","alt_text":"Performance Flex bra Medium-impact support product image 2","position":2,"attributes":{"other":{"summary":"Model wearing the bra is shown from behind against a pale blue background; lower garment (lavender shorts with a black waistband) is visible and contains legible text. Lighting is soft and even with minimal shadowing.","observations":[{"key":"Model pose and framing","kind":"feature","value":"Torso and upper hips of a model shown from the rear, left arm relaxed down and right arm raised with hand touching hair; image cropped above hips and above the head.","regions":[{"x":0.06,"y":0.02,"width":0.88,"height":0.96,"confidence":"high"}],"evidence_status":"direct"},{"key":"Visible non-product garment text","kind":"text","value":"SWISS ENGINEERING","regions":[{"x":0.46,"y":0.78,"width":0.25,"height":0.06,"confidence":"high"}],"evidence_status":"direct"},{"key":"Background and lighting","kind":"feature","value":"Uniform pale blue studio background with soft, diffuse lighting and minimal cast shadows.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"white","part":"bra main body","regions":[{"x":0.26,"y":0.22,"width":0.48,"height":0.46,"confidence":"high"}],"subject":"product","description":"Solid bright white, matte finish on smooth knit fabric.","estimated_hex":"#F7F7F7"},{"name":"black","part":"logo tag","regions":[{"x":0.485,"y":0.355,"width":0.03,"height":0.045,"confidence":"medium"}],"subject":"product","description":"Small dark rectangular tag with a lighter small symbol, matte finish.","estimated_hex":"#0A0A0A"},{"name":"white","part":"strap sliders","regions":[{"x":0.35,"y":0.18,"width":0.12,"height":0.18,"confidence":"high"},{"x":0.53,"y":0.18,"width":0.12,"height":0.18,"confidence":"high"}],"subject":"product","description":"White plastic sliders matching the strap color with a slightly glossier finish than the fabric.","estimated_hex":"#EFEFEF"}],"product":{"summary":"Rear view of a white sports bra worn by a model showing adjustable shoulder straps, a central racerback connector with a circular cutout, an elastic underband, and a small dark logo tag at the center back.","observations":[{"key":"Back geometry","kind":"feature","value":"White sports-bra back with wide shoulder straps that converge to a central racerback connector piece; the connector forms a rounded arch opening (circular cutout) above the elastic underband.","regions":[{"x":0.26,"y":0.22,"width":0.48,"height":0.46,"confidence":"high"}],"evidence_status":"direct"},{"key":"Adjustable straps","kind":"feature","value":"Each shoulder strap has an adjustable slider (same white color) located on the upper back portion of the strap.","regions":[{"x":0.35,"y":0.18,"width":0.12,"height":0.18,"confidence":"high"},{"x":0.53,"y":0.18,"width":0.12,"height":0.18,"confidence":"high"}],"evidence_status":"direct"},{"key":"Underband construction","kind":"feature","value":"Wide elastic underband in the same white fabric running horizontally across the lower back with a visible stitched seam line above the band.","regions":[{"x":0.28,"y":0.55,"width":0.46,"height":0.12,"confidence":"high"}],"evidence_status":"direct"},{"key":"Center back logo tag","kind":"feature","value":"Small dark rectangular logo tag affixed at the top of the racerback connector showing a small light mark or character on it (tag is dark with a lighter symbol).","regions":[{"x":0.485,"y":0.355,"width":0.03,"height":0.045,"confidence":"medium"}],"evidence_status":"partial"},{"key":"Fabric surface","kind":"feature","value":"Smooth, slightly matte knit fabric with clean seams and minimal visible texture.","regions":[{"x":0.26,"y":0.22,"width":0.48,"height":0.46,"confidence":"high"}],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["4477573","4477574","4477576","4669631","4669633","4669635"]}],"price":"59.95 CAD","sale_price":"59.95 CAD","availability":"in_stock","listing_has_variations":"true","variants":[{"sku":"4750635","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=2","image":{"id":"img-variant-4750635","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-SMALL variant image","position":1,"variant_ids":["4750635"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Small","option1":"X-SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750635","availability":"out_of_stock"},{"sku":"4750636","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=2","image":{"id":"img-variant-4750636","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - SMALL variant image","position":2,"variant_ids":["4750636"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Small","option1":"SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750636","availability":"out_of_stock"},{"sku":"4750637","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=2","image":{"id":"img-variant-4750637","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - MEDIUM variant image","position":3,"variant_ids":["4750637"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Medium","option1":"MEDIUM","image_url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750637","availability":"out_of_stock"},{"sku":"4750638","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=2","image":{"id":"img-variant-4750638","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - LARGE variant image","position":4,"variant_ids":["4750638"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Large","option1":"LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750638","availability":"out_of_stock"},{"sku":"4750639","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=2","image":{"id":"img-variant-4750639","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-LARGE variant image","position":5,"variant_ids":["4750639"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Large","option1":"X-LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750639","availability":"out_of_stock"},{"sku":"4477573","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=10","image":{"id":"img-variant-4477573","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-SMALL variant image","position":6,"variant_ids":["4477573"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Small","option1":"X-SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/10/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4477573","availability":"in_stock"},{"sku":"4477574","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=10","image":{"id":"img-variant-4477574","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - SMALL variant image","position":7,"variant_ids":["4477574"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Small","option1":"SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/10/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4477574","availability":"out_of_stock"},{"sku":"4477575","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=10","image":{"id":"img-variant-4477575","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - MEDIUM variant image","position":8,"variant_ids":["4477575"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Medium","option1":"MEDIUM","image_url":"https://imagescdn.simons.ca/images/17575/2506/10/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4477575","availability":"out_of_stock"},{"sku":"4477576","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=10","image":{"id":"img-variant-4477576","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - LARGE variant image","position":9,"variant_ids":["4477576"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Large","option1":"LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/10/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4477576","availability":"out_of_stock"},{"sku":"4477577","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=10","image":{"id":"img-variant-4477577","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-LARGE variant image","position":10,"variant_ids":["4477577"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Large","option1":"X-LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/10/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4477577","availability":"out_of_stock"},{"sku":"4669631","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=50","image":{"id":"img-variant-4669631","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-SMALL variant image","position":11,"variant_ids":["4669631"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Small","option1":"X-SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/50/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4669631","availability":"out_of_stock"},{"sku":"4669632","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=50","image":{"id":"img-variant-4669632","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - SMALL variant image","position":12,"variant_ids":["4669632"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Small","option1":"SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/50/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4669632","availability":"out_of_stock"},{"sku":"4669633","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=50","image":{"id":"img-variant-4669633","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - MEDIUM variant image","position":13,"variant_ids":["4669633"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Medium","option1":"MEDIUM","image_url":"https://imagescdn.simons.ca/images/17575/2506/50/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4669633","availability":"out_of_stock"},{"sku":"4669634","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=50","image":{"id":"img-variant-4669634","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - LARGE variant image","position":14,"variant_ids":["4669634"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Large","option1":"LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/50/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4669634","availability":"out_of_stock"},{"sku":"4669635","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=50","image":{"id":"img-variant-4669635","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-LARGE variant image","position":15,"variant_ids":["4669635"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Large","option1":"X-LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/50/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4669635","availability":"out_of_stock"},{"sku":"4750640","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=55","image":{"id":"img-variant-4750640","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-SMALL variant image","position":16,"variant_ids":["4750640"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Small","option1":"X-SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/55/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750640","availability":"out_of_stock"},{"sku":"4750641","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=55","image":{"id":"img-variant-4750641","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - SMALL variant image","position":17,"variant_ids":["4750641"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Small","option1":"SMALL","image_url":"https://imagescdn.simons.ca/images/17575/2506/55/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750641","availability":"out_of_stock"},{"sku":"4750642","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=55","image":{"id":"img-variant-4750642","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - MEDIUM variant image","position":18,"variant_ids":["4750642"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Medium","option1":"MEDIUM","image_url":"https://imagescdn.simons.ca/images/17575/2506/55/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750642","availability":"out_of_stock"},{"sku":"4750643","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=55","image":{"id":"img-variant-4750643","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - LARGE variant image","position":19,"variant_ids":["4750643"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - Large","option1":"LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/55/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750643","availability":"out_of_stock"},{"sku":"4750644","url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=55","image":{"id":"img-variant-4750644","url":"https://imagescdn.simons.ca/images/17575/2506/2/A1_2.jpg","alt_text":"Performance Flex bra Medium-impact support - X-LARGE variant image","position":20,"variant_ids":["4750644"]},"price":{"value":95,"currency":"CAD"},"title":"Performance Flex Bra Medium-Impact Support - X-Large","option1":"X-LARGE","image_url":"https://imagescdn.simons.ca/images/17575/2506/55/A1_2.jpg","sale_price":{"value":59.95,"currency":"CAD"},"variant_id":"4750644","availability":"out_of_stock"}],"item_group_title":"Performance Flex Bra Medium-Impact Support","size_system":"US","gender":"female","is_digital":"false","review_count":1,"q_and_a":[{"a":"This bra comes in alpha sizes XS to XL. Based on typical sizing for On sports bras, a 34C or 36B would likely fit a size Medium, but we recommend referring to the brand's size chart for the most accurate fit.","q":"What bra size range does this medium-impact bra accommodate? For example, would it work for a 34C or a 36B?"},{"a":"We recommend machine washing cold on a gentle cycle and hanging to dry. Do not use fabric softener or bleach, and avoid machine drying as it can damage the elastic fibers. For best longevity, wash with like colors and remove promptly.","q":"What are the recommended care instructions? Can it be machine washed and dried?"},{"a":"This bra is designed for medium-impact activities such as running and intense sports. While some may find it suitable for HIIT, it may not provide enough support for high-impact movements like jumping. For high-impact workouts, we recommend a high-support bra.","q":"Is the bra suitable for high-intensity workouts like HIIT or jumping, or is it best for running only?"},{"a":"On sports bras generally fit true to size. If you are between sizes, we recommend sizing up for a more comfortable fit, especially if you prefer a bit more room in the band and cups. Snug fit is normal for support, but it shouldn't be uncomfortable.","q":"How does the bra fit compared to standard sizing? Should I size up if I'm between sizes?"}],"reviews":[{"date":"July 9, 2026","title":"Soutien on","rating":5,"content":"Très bien fait, confortable","reviewer_name":"Lise M."}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506?colourId=0","reddit_insights":{"match":{"notes":"The product was explicitly mentioned by name in threads 5 and 6, with users recommending it for running, highlighting its adjustable straps and no-chafing design.","confidence":1,"matched_terms":["Performance Flex Bra by On","Performance Flex","On Performance Flex bra"]},"status":"ok","coverage":{"subreddits":["RunNYC","XXRunning"],"threads_used":2},"evidence":{"items":[{"url":"https://www.reddit.com/r/RunNYC/comments/1f5logs/sports_bras/lktkdzo/","type":"comment","title":"Positive experience with On Performance Flex Bra for running","author":"quivera","ref_id":"r_e_5","thread":{"url":"https://www.reddit.com/r/RunNYC/comments/1f5logs/sports_bras/","title":"sports bras","subreddit":"RunNYC"},"excerpt":"Right now, my favorite bra is the Performance Flex Bra by On. It has adjustable straps in the front, so as I run and get sweaty, I can tighten it, keeping everything in place. So far no chaffing!","subreddit":"RunNYC"},{"url":"https://www.reddit.com/r/XXRunning/comments/1i6yqi2/medium_impact_sports_bras_with_bandcup_sizing/m8h0jv9/","type":"comment","title":"Recommendation for On Performance Flex Bra highlighting seamless design","author":"Snickerfin","ref_id":"r_e_6","thread":{"url":"https://www.reddit.com/r/XXRunning/comments/1i6yqi2/medium_impact_sports_bras_with_bandcup_sizing/","title":"medium impact sports bras with bandcup sizing","subreddit":"XXRunning"},"excerpt":"Check out the On Performance Flex bra.  It’s sized XXS to XL but also comes in an A-C cup and D/DD.   Straps are adjustable and it’s overall pretty seamless so no chafing or hot spots on long runs.","subreddit":"XXRunning"}]},"generated_at":"2025-03-26T12:00:00Z","conversation_summary":{"gotchas":[],"one_liner":"Redditors recommend the On Performance Flex Bra for running, praising its adjustable front straps and chafe-free design.","sentiment":{"label":"positive","score":0.9,"explanation":"Both mentions are positive, recommending the bra for no chafing and adjustability."},"use_cases":[{"evidence":["r_e_5","r_e_6"],"use_case":"Running"}],"top_themes":[{"theme":"Adjustable front straps","stance":"positive","evidence":["r_e_5","r_e_6"]},{"theme":"Chafe-free comfort","stance":"positive","evidence":["r_e_5","r_e_6"]},{"theme":"Inclusive sizing options","stance":"positive","evidence":["r_e_6"]}],"comparisons":[{"summary":"User experienced chafing with Brooks 3-Pocket Bra and is hopeful about On Performance Flex Bra based on recommendation.","evidence":["r_e_5"],"compared_to":"Brooks 3-Pocket Bra"}]}},"deep_research":{"dimensions":{"competitive_positioning":{"title":"How it compares to other medium-support running bras","entries":{"nbc_select_best_for_running_pick":"NBC Select's tester panel designated the Flex Bra as the single best running bra after sweating through dozens of styles across running, HIIT, barre, Pilates, yoga, and walking — it was chosen over recognized running-focused models like the Brooks Racerback 2.0, making it a validated choice for runners who want bounce control without the bulk of a high-impact design.","women_s_health_2026_fitness_awards_best_overall_sports_bra":"The Performance Flex Bra took Women's Health's top sports bra honor in its 2026 Fitness Awards, beating over 50 other bras including the Lululemon Energy Bra and Nike Swoosh — for a buyer evaluating a premium medium-support option, that award is a strong independent signal that the Flex Bra delivers the best overall balance of support, comfort, and thoughtful design.","built_in_padding_design_vs_lululemon_energy_bra_removable_cups":"The Flex Bra's light padding is permanently bonded into the cups, a design Women's Health praised for holding its shape and never requiring post-laundry realignment — a direct contrast to the Lululemon Energy Bra, whose removable foam inserts are frequently cited by reviewers for shifting, leaving visible outlines, and becoming a laundry nuisance.","front_adjustable_wide_straps_vs_lululemon_energy_bra_fixed_racerback":"The Flex Bra's straps are both wider to evenly distribute shoulder weight and adjustable from the front, allowing the wearer to dial in lift without the digging or cup gapping that occurs on fixed-strap designs — the Lululemon Energy Bra's non-adjustable straps, by contrast, create the kind of permanent upper-chest gap that becomes noticeable during planks, rows, and hinging movements.","low_to_high_impact_versatility_vs_lululemon_energy_bra_s_narrower_comfort_range":"Women's Health testers found the Flex Bra equally comfortable during yoga and Pilates as it was during HIIT and treadmill work, thanks to a medium support profile that avoids over-compression — the Lululemon Energy Bra, by comparison, has been called 'more support than you actually need' for low-impact practice, making the Flex Bra the more versatile single-bra solution for athletes who cross-train across intensity zones."},"entry_quotes":{"nbc_select_best_for_running_pick":[{"url":"https://www.nbcnews.com/select/shopping/best-sports-bras-rcna194034","quote":"Best for running"}],"women_s_health_2026_fitness_awards_best_overall_sports_bra":[{"url":"https://www.womenshealthmag.com/style/g63687302/best-sports-bras/","quote":"This bra is a 2026 Fitness Awards winner, and basically “the holy grail of sports bras for high-intensity workouts,” Andriakos says."}],"built_in_padding_design_vs_lululemon_energy_bra_removable_cups":[{"url":"https://www.womenshealthmag.com/style/g63687302/best-sports-bras/","quote":"One of our favorite details is the padding. “It’s built in—so you never have to deal with shifting, scrunching, or fishing pads out of the laundry,” Andriakos says."},{"url":"https://inspiredplum.com/lululemon-energy-bra-review/","quote":"Removable pads are also not my favorite but unfortunately, they’re super common in medium impact bras."}],"front_adjustable_wide_straps_vs_lululemon_energy_bra_fixed_racerback":[{"url":"https://www.womenshealthmag.com/style/g63687302/best-sports-bras/","quote":"The wide adjustable straps are another favorite feature of mine. They distribute weight evenly across my shoulders without digging in or creating pressure points during longer workouts. Even better, the straps adjust from the front so it’s way easier to adjust than traditional bras."},{"url":"https://thatfitfriend.com/lululemon-energy-bra-review/","quote":"Since the straps aren’t adjustable, the fit is pretty fixed."},{"url":"https://thatfitfriend.com/lululemon-energy-bra-review/","quote":"I do notice a bit of extra space at times, especially in hinging positions or during planks."}],"low_to_high_impact_versatility_vs_lululemon_energy_bra_s_narrower_comfort_range":[{"url":"https://www.womenshealthmag.com/style/g63687302/best-sports-bras/","quote":"In testing, it felt just as comfortable during slower sessions like yoga and pilates as it did during higher-intensity workout classes."},{"url":"https://thatfitfriend.com/lululemon-energy-bra-review/","quote":"If your training is mostly yoga, Pilates, or studio classes, this may feel like more support than you actually need."}]},"entry_sources":{"nbc_select_best_for_running_pick":["https://www.nbcnews.com/select/shopping/best-sports-bras-rcna194034"],"women_s_health_2026_fitness_awards_best_overall_sports_bra":["https://www.womenshealthmag.com/style/g63687302/best-sports-bras/"],"built_in_padding_design_vs_lululemon_energy_bra_removable_cups":["https://www.womenshealthmag.com/style/g63687302/best-sports-bras/","https://inspiredplum.com/lululemon-energy-bra-review/"],"front_adjustable_wide_straps_vs_lululemon_energy_bra_fixed_racerback":["https://www.womenshealthmag.com/style/g63687302/best-sports-bras/","https://thatfitfriend.com/lululemon-energy-bra-review/"],"low_to_high_impact_versatility_vs_lululemon_energy_bra_s_narrower_comfort_range":["https://www.womenshealthmag.com/style/g63687302/best-sports-bras/","https://thatfitfriend.com/lululemon-energy-bra-review/"]}}}},"handle":"performance-flex-bra-medium-impact-support-17575-2506","storefront_path":"/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506","storefront_url":"https://ai.simons.ca/en/women-sportswear/running/performance-flex-bra-medium-impact-support--17575-2506"}}