{"product":{"catalog_id":"f0eec4a7-3c07-4a82-8d88-8bd67918184e","item_id":"2ff08585-69dc-4419-a1bf-5dd15454427f","title":"5\" Rally Car Boxer Brief Polyester","description":"These Undz 5-inch Rally Car boxer briefs are men's underwear made from a stretchy, ultra-light Maxvent microfibre (polyester) that wicks moisture and dries quickly. They feature an elastic waistband, a double-layered front panel, and a 5-inch inseam. The design includes a full-coverage photographic rally car print on a light blue background, with a wide black waistband and a vertical front pouch seam.","url":"https://www.simons.ca/en/men-underwear/boxers-briefs/boxer-briefs/5-rally-car-boxer-brief-polyester--12556-26108?colourId=0","brand":"Undz","condition":"new","product_category":"men underwear > boxers briefs > boxer briefs","material":"95% Maxvent polyester, 5% spandex","age_group":"adult","image_url":"https://imagescdn.simons.ca/images/12556/26108/49/A1_2.jpg","additional_image_urls":["https://imagescdn.simons.ca/images/12556/26108/49/A2_2.jpg"],"images":[{"id":"img-1784702961683-0","url":"https://imagescdn.simons.ca/images/12556/26108/49/A1_2.jpg","alt_text":"5\" rally car boxer brief Polyester product image (primary)","position":1,"attributes":{"other":{"summary":"Studio product shot cropped at the model's mid-chest and mid-thigh against a light neutral background; even soft lighting with minor shadows and visible model hands at image sides.","observations":[{"key":"Shot framing","kind":"feature","value":"Image cropped from just below the model's pectorals to just above mid-thigh, centering the underwear front panel.","regions":[{"x":0,"y":0,"width":1,"height":1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Background","kind":"feature","value":"Smooth light grey background with even studio lighting and soft shadow along the model's left side.","regions":[],"evidence_status":"direct"},{"key":"Model presence","kind":"feature","value":"Male torso and upper legs visible; both hands appear near the image lower corners with fingers relaxed.","regions":[{"x":0,"y":0,"width":1,"height":1,"confidence":"high"}],"evidence_status":"direct"}]},"colors":[{"name":"black","part":"waistband","regions":[{"x":0.22,"y":0.33,"width":0.56,"height":0.06,"confidence":"high"}],"subject":"product","description":"Solid matte black elastic band encircling the waist.","estimated_hex":"#0A0A0A"},{"name":"light cyan","part":"waistband label","regions":[{"x":0.47,"y":0.335,"width":0.06,"height":0.035,"confidence":"high"}],"subject":"product","description":"Small rectangular light cyan label sewn to center of the waistband with printed brand text.","estimated_hex":"#BEEAF2"},{"name":"sky blue","part":"main fabric background","regions":[{"x":0.18,"y":0.44,"width":0.64,"height":0.4,"confidence":"high"}],"subject":"product","description":"Even pale sky-blue background color forming the base of the printed panel.","sampled_hex":"#9CC4E3","estimated_hex":"#AED8F0"},{"name":"white","part":"car body","regions":[{"x":0.24,"y":0.52,"width":0.48,"height":0.24,"confidence":"high"}],"subject":"product","description":"Predominantly white car body areas within the photographic print showing highlights and panel details.","sampled_hex":"#F3EBEB","estimated_hex":"#F2F2F2"},{"name":"bright red","part":"car stripe and roof banner","regions":[{"x":0.3,"y":0.45,"width":0.4,"height":0.1,"confidence":"high"}],"subject":"product","description":"Vivid red stripe across the car and a red windshield banner with white lettering.","sampled_hex":"#A56A4B","estimated_hex":"#D43A3A"},{"name":"mud brown","part":"mud and tire areas","regions":[{"x":0.28,"y":0.62,"width":0.4,"height":0.18,"confidence":"high"}],"subject":"product","description":"Brown muddy tones on lower car body and tires, appearing textured and darker in shadowed areas.","estimated_hex":"#8C5E3A"}],"product":{"summary":"Pair of fitted boxer briefs shown on a male model from mid-chest to mid-thigh; a wide black elastic waistband with a small centered light-blue rectangular brand label is visible. The front panel features a full-coverage photographic rally car print with a vertical front pouch seam.","observations":[{"key":"Overall silhouette","kind":"feature","value":"Fitted mid-thigh boxer brief cut displayed on a model, waistband sits at natural waist, legs extend to upper to mid-thigh.","regions":[{"x":0.12,"y":0.34,"width":0.76,"height":0.56,"confidence":"high"}],"evidence_status":"direct"},{"key":"Waistband","kind":"feature","value":"Wide black elastic waistband wrapping around the waist with a centered sewn-on rectangular light-blue label bearing the brand text.","regions":[{"x":0.22,"y":0.33,"width":0.56,"height":0.06,"confidence":"high"}],"evidence_status":"direct"},{"key":"Front pouch seam","kind":"feature","value":"Single vertical seam runs down the center front from the waistband to the crotch area creating a defined pouch contour.","regions":[{"x":0.45,"y":0.38,"width":0.1,"height":0.3,"confidence":"high"}],"evidence_status":"direct"},{"key":"Printed front panel","kind":"feature","value":"Photographic rally car graphic printed across the entire front panel and upper thighs, covering both left and right panels and wrapping slightly toward the sides.","regions":[{"x":0.18,"y":0.44,"width":0.64,"height":0.4,"confidence":"high"}],"evidence_status":"direct"},{"key":"Leg openings","kind":"feature","value":"Leg openings have a narrow folded hem with a smooth finish, lying flat against the model's thighs.","regions":[{"x":0.18,"y":0.78,"width":0.64,"height":0.12,"confidence":"high"}],"evidence_status":"direct"},{"key":"Fabric appearance","kind":"feature","value":"Smooth, slightly glossy knit surface consistent with synthetic performance fabric; print detail is high-resolution and continuous over seams.","regions":[],"evidence_status":"direct"},{"key":"Graphic text on car","kind":"text","value":"UNDZ RACING","regions":[{"x":0.32,"y":0.46,"width":0.36,"height":0.06,"confidence":"high"}],"evidence_status":"direct"},{"key":"Waistband label text","kind":"text","value":"UNDZ","regions":[{"x":0.47,"y":0.335,"width":0.06,"height":0.035,"confidence":"high"}],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["4636839","4636840","4636841"]},{"id":"img-1784702961683-1","url":"https://imagescdn.simons.ca/images/12556/26108/49/A2_2.jpg","alt_text":"5\" rally car boxer brief Polyester product image 2","position":2,"attributes":{"other":{"summary":"Studio rear-shot of a model cropped at mid-back and mid-thigh on a neutral light gray background with even lighting and soft shadows.","observations":[{"key":"Shot composition","kind":"feature","value":"Centered rear-facing model cropped from just below the shoulder blades to mid-thigh; product and model fill most of the frame.","regions":[{"x":0.06,"y":0.05,"width":0.88,"height":0.9,"confidence":"high"}],"evidence_status":"direct"},{"key":"Background","kind":"feature","value":"Smooth neutral light gray background with no visible props or textures.","regions":[],"evidence_status":"direct"},{"key":"Lighting and shadow","kind":"feature","value":"Even soft studio lighting with subtle shadowing around the model's legs and lower back, no strong directional glare.","regions":[],"evidence_status":"direct"},{"key":"Model hands and arms","kind":"feature","value":"Model's arms hang naturally at sides with hands visible near the outer frame edges; hands are not interacting with the product.","regions":[{"x":0.02,"y":0.55,"width":0.12,"height":0.34,"confidence":"high"},{"x":0.86,"y":0.55,"width":0.12,"height":0.34,"confidence":"high"}],"evidence_status":"direct"}]},"colors":[{"name":"black","part":"waistband","regions":[{"x":0.24,"y":0.33,"width":0.52,"height":0.06,"confidence":"high"}],"subject":"product","description":"Solid matte black elastic band at the top of the briefs.","sampled_hex":"#3B1504","estimated_hex":"#111111"},{"name":"light sky blue","part":"main fabric background","regions":[{"x":0.18,"y":0.4,"width":0.64,"height":0.32,"confidence":"high"}],"subject":"product","description":"Smooth light sky blue printed fabric that forms the background of the photographic print.","sampled_hex":"#A4CCEB","estimated_hex":"#9ED0F2"},{"name":"white","part":"car body","regions":[{"x":0.22,"y":0.44,"width":0.4,"height":0.24,"confidence":"high"}],"subject":"product","description":"Predominantly white car body with red accent stripe visible on the door and roof strip.","estimated_hex":"#F2F2F2"},{"name":"racing red","part":"car red accents","regions":[{"x":0.46,"y":0.44,"width":0.2,"height":0.18,"confidence":"high"}],"subject":"product","description":"Solid glossy red used for the roof stripe and door accent on the printed car.","estimated_hex":"#D23A3A"},{"name":"mud brown","part":"mud and dirt","regions":[{"x":0.2,"y":0.54,"width":0.48,"height":0.18,"confidence":"high"}],"subject":"product","description":"Brown and tan muddy splatter printed over the car body and lower panels and on the ground strip.","estimated_hex":"#A67C52"},{"name":"dark charcoal","part":"tires and grille","regions":[{"x":0.2,"y":0.52,"width":0.28,"height":0.16,"confidence":"high"}],"subject":"product","description":"Dark near-black printed areas for tires, grille, and shadowed details on the car graphic.","estimated_hex":"#1E1E1E"}],"product":{"summary":"Rear view of a pair of printed boxer briefs worn by a model; black elastic waistband and a photographic rally car print across the seat and upper thighs on a light blue background.","observations":[{"key":"Overall silhouette","kind":"feature","value":"Form-fitting mid-thigh boxer brief cut worn on a model, rear view showing waistband at natural waist and leg openings at upper to mid-thigh.","regions":[{"x":0.14,"y":0.2,"width":0.72,"height":0.62,"confidence":"high"}],"evidence_status":"direct"},{"key":"Waistband","kind":"feature","value":"Plain elastic waistband in solid black with a centered vertical seam at the back.","regions":[{"x":0.24,"y":0.33,"width":0.52,"height":0.06,"confidence":"high"}],"evidence_status":"direct"},{"key":"Main fabric and print placement","kind":"feature","value":"Light blue base fabric with a full photographic print that wraps across the seat and upper legs; main graphic is a rally car positioned across the buttocks with the car facing left on the wearer's right.","regions":[{"x":0.18,"y":0.39,"width":0.64,"height":0.46,"confidence":"high"}],"evidence_status":"direct"},{"key":"Car windshield text","kind":"text","value":"UNDZ RACING","regions":[{"x":0.28,"y":0.46,"width":0.36,"height":0.07,"confidence":"high"}],"evidence_status":"direct"},{"key":"Front license plate text","kind":"text","value":"334 RS 683","regions":[{"x":0.2,"y":0.56,"width":0.2,"height":0.08,"confidence":"medium"}],"evidence_status":"partial"},{"key":"Print condition","kind":"feature","value":"Photographic print includes realistic mud splatter and dirt on the car body and wheels, visible texture from the printed image.","regions":[{"x":0.22,"y":0.48,"width":0.46,"height":0.28,"confidence":"high"}],"evidence_status":"direct"},{"key":"Side seam detail","kind":"feature","value":"Visible vertical side seam on the wearer's right side, running from waistband to leg opening with light stitching visible.","regions":[{"x":0.74,"y":0.36,"width":0.06,"height":0.44,"confidence":"high"}],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["4636839","4636840","4636841"]}],"price":"9.99 CAD","sale_price":"9.99 CAD","availability":"out_of_stock","listing_has_variations":"true","variants":[{"sku":"4636839","url":"https://www.simons.ca/en/men-underwear/boxers-briefs/boxer-briefs/5-rally-car-boxer-brief-polyester--12556-26108?colourId=49","image":{"id":"img-variant-4636839","url":"https://imagescdn.simons.ca/images/12556/26108/49/A1_2.jpg","alt_text":"5\" rally car boxer brief Polyester - Patterned Blue - SMALL variant image","position":1,"variant_ids":["4636839"]},"price":{"value":20,"currency":"CAD"},"title":"5\" Rally Car Boxer Brief Polyester - Patterned Blue - Small","option1":"Patterned Blue","option2":"SMALL","image_url":"https://imagescdn.simons.ca/images/12556/26108/49/A1_2.jpg","sale_price":{"value":9.99,"currency":"CAD"},"variant_id":"4636839","availability":"in_stock"},{"sku":"4636840","url":"https://www.simons.ca/en/men-underwear/boxers-briefs/boxer-briefs/5-rally-car-boxer-brief-polyester--12556-26108?colourId=49","image":{"id":"img-variant-4636840","url":"https://imagescdn.simons.ca/images/12556/26108/49/A1_2.jpg","alt_text":"5\" rally car boxer brief Polyester - Patterned Blue - MEDIUM variant image","position":2,"variant_ids":["4636840"]},"price":{"value":20,"currency":"CAD"},"title":"5\" Rally Car Boxer Brief Polyester - Patterned Blue - Medium","option1":"Patterned Blue","option2":"MEDIUM","image_url":"https://imagescdn.simons.ca/images/12556/26108/49/A1_2.jpg","sale_price":{"value":9.99,"currency":"CAD"},"variant_id":"4636840","availability":"in_stock"}],"item_group_title":"5\" Rally Car Boxer Brief Polyester","size_system":"US","gender":"male","is_digital":"false","target_countries":"US","canonical_url":"https://www.simons.ca/en/men-underwear/boxers-briefs/boxer-briefs/5-rally-car-boxer-brief-polyester--12556-26108?colourId=0","product_insights":[{"title":"Verified claims","type":"key_value","items":[{"value":"Wicks sweat and dries up to 5 times faster than cotton.","key":"Wicking","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://freecultr.com/blogs/blog/moisture-wicking-boxers-explained-how-they-keep-you-dry-and-comfortable-all-day-1","https://natuclothes.com/materials/polyester-vs-cotton/","https://www.shinesty.com/blogs/news/is-microfiber-good-for-underwear-pros-and-cons-revealed","https://natuclothes.com/materials/polyester-vs-cotton/,%20https://freecultr.com/blogs/blog/moisture-wicking-boxers-explained-how-they-keep-you-dry-and-comfortable-all-day-1"]}},{"value":"Avoid fabric softener to maintain moisture-wicking performance.","key":"Fabric softener","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://textiletuts.com/how-to-wash-synthetic-fabrics/"]}},{"value":"Fabric withstands over 30,000 Martindale cycles, preserving wicking performance.","key":"Durability","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://natuclothes.com/materials/polyester-vs-cotton/"]}},{"value":"Immediate cool feel on first wear, strongest initially.","key":"Cool touch","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://natuclothes.com/materials/polyester-vs-cotton/"]}},{"value":"Smooth microfibre surface minimizes friction and fabric bunching under clothing.","key":"Friction reduction","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://www.shinesty.com/blogs/news/is-microfiber-good-for-underwear-pros-and-cons-revealed"]}},{"value":"Double-layered front panel and absent fly reduce internal seams and chafing.","key":"Seam comfort","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://www.junruitex.com/news/industry-news/nylon-polyester-spandex-double-fabric-buying-guide.html"]}},{"value":"Eliminates a separate fly panel, reducing skin-on-seam friction for a smoother profile.","key":"Pouch support","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://www.junruitex.com/news/industry-news/nylon-polyester-spandex-double-fabric-buying-guide.html","https://www.shinesty.com/blogs/news/is-microfiber-good-for-underwear-pros-and-cons-revealed"]}},{"value":"Both front layers use Maxvent microfibre for active moisture wicking and all-day breathability.","key":"Fabric performance","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"95% polyester microfibre traps odor-causing bacteria from sweat.","key":"Odor","provenance":{"productData":true,"reviews":false,"qna":false,"urls":["https://www.shinesty.com/blogs/news/is-microfiber-good-for-underwear-pros-and-cons-revealed","https://textiletuts.com/how-to-wash-synthetic-fabrics/","https://www.alibaba.com/blog/boxer-briefs-cotton-vs-polyester-the-ultimate-fabric-faceoff-for-2025-comfort.html"]}},{"value":"Turn boxer briefs inside-out before washing and use sports detergent to manage odor.","key":"Washing recommendations","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://textiletuts.com/how-to-wash-synthetic-fabrics/"]}},{"value":"Double front panel wicks sweat to prevent dampness that causes odor.","key":"Design mitigation","provenance":{"productData":false,"reviews":false,"qna":false,"urls":[]}},{"value":"Fabric exceeds 30,000 Martindale abrasion cycles, about double cotton.","key":"Abrasion resistance","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://natuclothes.com/materials/polyester-vs-cotton/"]}},{"value":"Cold water wash, gentle cycle, and air drying preserve the fabric's elasticity and prevent pilling.","key":"Fabric care","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://textiletuts.com/how-to-wash-synthetic-fabrics/","https://northshorecrafts.com/how-to-wash-95-polyester-5-spandex/"]}},{"value":"Preserve spandex and wicking: cold gentle wash, no softener, air dry; inside-out for odor.","key":"Care instructions","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://northshorecrafts.com/how-to-wash-95-polyester-5-spandex/","https://textiletuts.com/how-to-wash-synthetic-fabrics/"]}}]},{"title":"Product record","type":"key_value","items":[{"value":"5\" Rally Car Boxer Brief Polyester","key":"Title","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}},{"value":"Undz","key":"Brand","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}},{"value":"20 CAD","key":"Price","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}},{"value":"In stock","key":"Availability","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}}]}],"handle":"5-rally-car-boxer-brief-polyester-12556-26108","storefront_path":"/en/men-underwear/boxers-briefs/boxer-briefs/5-rally-car-boxer-brief-polyester--12556-26108","storefront_url":"https://ai.simons.ca/en/men-underwear/boxers-briefs/boxer-briefs/5-rally-car-boxer-brief-polyester--12556-26108"}}