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Medium","option1":"Red","option2":"MEDIUM","image_url":"https://imagescdn.simons.ca/images/7023/229550/60/A1_2.jpg","variant_id":"4620223","availability":"in_stock"},{"sku":"4620224","url":"https://www.simons.ca/en/women-sportswear/t-shirts-tank-tops/t-shirts/long-sleeve-perforated-back-t-shirt--7023-229550?colourId=60","image":{"id":"img-variant-4620224","url":"https://imagescdn.simons.ca/images/7023/229550/1/A1_2.jpg","alt_text":"Long-sleeve perforated-back T-shirt - Red - LARGE variant image","position":19,"variant_ids":["4620224"]},"price":{"value":49,"currency":"CAD"},"title":"Long-Sleeve Perforated-Back T-Shirt - Red - Large","option1":"Red","option2":"LARGE","image_url":"https://imagescdn.simons.ca/images/7023/229550/60/A1_2.jpg","variant_id":"4620224","availability":"in_stock"},{"sku":"4620225","url":"https://www.simons.ca/en/women-sportswear/t-shirts-tank-tops/t-shirts/long-sleeve-perforated-back-t-shirt--7023-229550?colourId=60","image":{"id":"img-variant-4620225","url":"https://imagescdn.simons.ca/images/7023/229550/1/A1_2.jpg","alt_text":"Long-sleeve perforated-back T-shirt - Red - X-LARGE variant image","position":20,"variant_ids":["4620225"]},"price":{"value":49,"currency":"CAD"},"title":"Long-Sleeve Perforated-Back T-Shirt - Red - X-Large","option1":"Red","option2":"X-LARGE","image_url":"https://imagescdn.simons.ca/images/7023/229550/60/A1_2.jpg","variant_id":"4620225","availability":"in_stock"}],"item_group_title":"Long-Sleeve Perforated-Back T-Shirt","size_system":"US","gender":"female","is_digital":"false","q_and_a":[{"a":"The fit is designed to be close-fitting for athletic performance, consistent with the Performance collection's activewear purpose.","q":"Is the fit designed to be close-fitting or relaxed for athletic performance?"},{"a":"The front panel is opaque enough to wear alone, as it's a soft stretch microfibre jersey. The perforated back panel may show skin or a sports bra underneath, so it can be worn alone or layered depending on preference.","q":"Is the fabric opaque enough to wear alone, or is it intended as a layering piece?"},{"a":"We recommend machine washing in cold water on a gentle cycle with mild detergent, avoiding fabric softener to preserve the Polygiene treatment. Tumble dry on low heat or hang dry. Always check the care label inside the garment.","q":"What is the recommended care routine (e.g., machine wash temperature, drying instructions) to maintain the Polygiene treatment and fabric integrity?"}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/women-sportswear/t-shirts-tank-tops/t-shirts/long-sleeve-perforated-back-t-shirt--7023-229550?colourId=0","deep_research":{"dimensions":{"competitive_value":{"title":"How this shirt compares to similar long-sleeved activewear","entries":{"raglan_sleeve_mobility":"The raglan sleeve design, called out in the listing, removes the shoulder seam entirely — that means no binding or riding up during overhead presses, pull-ups, or kettlebell swings, a practical advantage over set-in sleeve tees common at this price.","polygiene_anti_odor_technology":"Polygiene® is a silver salt-based finish that permanently inhibits bacteria — it's the same technology used in much pricier activewear like RYU's Vapor top; its presence at a $49 CAD price point means fewer mid-week washes and lasting freshness without the premium cost.","feature_count_vs_under_armour_ua_tech":"Under Armour's UA Tech long sleeve — a go-to basic — sells for $30 USD (~$40 CAD) with only moisture-wicking to its name; the I.FIV5 adds Polygiene® odor elimination, a ventilated back panel, raglan sleeves, and reflective branding, quadrupling the technical features for a near-identical price."},"entry_quotes":{"raglan_sleeve_mobility":[{"url":"https://modesens.com/product/ifiv5-micro-perforated-high-intensity-t-shirt-black-68715912/","quote":"Raglan sleeves for greater freedom of movement"}],"polygiene_anti_odor_technology":[{"url":"https://www.altitude-sports.com/products/ryu-vapor-seasonal-long-sleeve-top-womens-llll-ryu-w19-1002","quote":"Polygiene® treatment inhibits the growth of odor-causing bacteria and allows for less washing"},{"url":"https://modesens.com/product/ifiv5-micro-perforated-high-intensity-t-shirt-black-68715912/","quote":"PolygieneTM technology that eliminates odour and prevents bacteria growth"}],"feature_count_vs_under_armour_ua_tech":[{"url":"https://www.underarmour.com/en-us/p/ua_tech_mens_long_sleeve/1328496.html","quote":"Original price: $30"},{"url":"https://www.underarmour.com/en-us/p/ua_tech_mens_long_sleeve/1328496.html","quote":"UA Tech™ fabric is quick-drying, ultra-soft & has a more natural feel"},{"url":"https://modesens.com/product/ifiv5-micro-perforated-high-intensity-t-shirt-black-68715912/","quote":"PolygieneTM technology that eliminates odour and prevents bacteria growth"}]},"entry_sources":{"raglan_sleeve_mobility":["https://modesens.com/product/ifiv5-micro-perforated-high-intensity-t-shirt-black-68715912/"],"polygiene_anti_odor_technology":["https://www.altitude-sports.com/products/ryu-vapor-seasonal-long-sleeve-top-womens-llll-ryu-w19-1002","https://modesens.com/product/ifiv5-micro-perforated-high-intensity-t-shirt-black-68715912/"],"feature_count_vs_under_armour_ua_tech":["https://www.underarmour.com/en-us/p/ua_tech_mens_long_sleeve/1328496.html","https://modesens.com/product/ifiv5-micro-perforated-high-intensity-t-shirt-black-68715912/"]}},"polygiene_odor_control":{"title":"Polygiene technology and long-term odor resistance","entries":{"fabric_only_antibacterial_action":"Because Polygiene’s silver ions act only on bacteria residing in the textile and do not migrate to the skin, the treatment is skin-safe even during prolonged, sweaty contact—important for a close-fitting raglan-sleeve top worn during high-output efforts; independent safety testing confirms it does not disrupt the skin’s natural microbiome.","one_third_environmental_impact_reduction":"Polygiene’s LifeCycle Assessment on a treated T-shirt demonstrated that wearing it twice between washes (instead of once) reduced the garment’s total environmental impact by a third; when combined with this I.FIV5 shirt’s recycled polyester construction, a less-is-more washing routine can double down on both personal convenience and sustainability.","shared_technology_with_premium_outdoor_brands":"Polygiene is the active odor-control ingredient found in base layers from Patagonia, Arc’teryx, and The North Face; its appearance on an I.FIV5 shirt at a $49 CAD price point means the buyer gets the same silver-chloride antimicrobial performance that backcountry alpinists rely on, without the technical apparel markup.","polygiene_stayfresh_permanent_silver_salt_treatment":"Polygiene StayFresh is based on silver chloride—a naturally occurring salt—and is integrated into the fabric at the finishing stage, not applied as a topical coating; this bonding means the antimicrobial treatment does not wash out and remains effective for the full lifespan of the shirt, so the odor control degrades only when the fabric itself wears out, not from laundering.","extended_wear_between_washes_up_to_8_days_without_odor":"An Outside magazine field test wearing a Polygiene-treated shirt for eight straight days—including multiple runs, yard work, and sleep—found that by the final day it still smelled only as bad as an untreated synthetic shirt after a single long run; for a buyer planning multi-day hiking trips, commutes with evening workouts, or simply wanting to halve laundry frequency, this translates to a shirt that stays socially acceptable far beyond a typical gym tee."},"entry_quotes":{"fabric_only_antibacterial_action":[{"url":"https://polygiene.com/stayfresh/","quote":"All our treatments have undergone extensive sensitivity testing and are completely safe – even when used for long periods. Polygiene® StayFresh is only active in the material so it doesn’t interfere with any natural bacteria on the skin."}],"one_third_environmental_impact_reduction":[{"url":"https://polygiene.com/antibacterial-shirt-technology/","quote":"a recent LifeCycle Assessment (LCA) for a Polygiene-treated T-shirt demonstrated that skipping every other wash reduced the garment’s total environmental impact by a third."}],"shared_technology_with_premium_outdoor_brands":[{"url":"https://gearjunkie.com/apparel/gym-bag-stink-test-poligiene-treated-t-shirt","quote":"Polygiene odor control technology is available in clothing made by Outdoor Research, Arc’teryx, La Sportiva, and Patagonia."}],"polygiene_stayfresh_permanent_silver_salt_treatment":[{"url":"https://polygiene.com/stayfresh/","quote":"Polygiene StayFresh technology is embedded in textiles to provide freshness for the entire lifespan of most products."},{"url":"https://gearjunkie.com/apparel/gym-bag-stink-test-poligiene-treated-t-shirt","quote":"According to the company Polygiene silver salt is bonded to the fabric at the factory and won’t wash out for the life of the garment."}],"extended_wear_between_washes_up_to_8_days_without_odor":[{"url":"https://www.outsideonline.com/outdoor-gear/clothing-apparel/do-anti-stink-clothing-treatments-really-work/","quote":"I’d say the shirt smelled as bad as a non-Polygiene shirt might after one long run."}]},"entry_sources":{"fabric_only_antibacterial_action":["https://polygiene.com/stayfresh/"],"one_third_environmental_impact_reduction":["https://polygiene.com/antibacterial-shirt-technology/"],"shared_technology_with_premium_outdoor_brands":["https://gearjunkie.com/apparel/gym-bag-stink-test-poligiene-treated-t-shirt"],"polygiene_stayfresh_permanent_silver_salt_treatment":["https://polygiene.com/stayfresh/","https://gearjunkie.com/apparel/gym-bag-stink-test-poligiene-treated-t-shirt"],"extended_wear_between_washes_up_to_8_days_without_odor":["https://www.outsideonline.com/outdoor-gear/clothing-apparel/do-anti-stink-clothing-treatments-really-work/"]}},"recycled_polyester_fabric":{"title":"Performance of recycled polyester in activewear","entries":{"lower_production_energy_carbon":"According to lifecycle assessments, recycled polyester consumes 45–85% less energy and generates 30–60% fewer CO₂ emissions than virgin polyester; for a workout tee, this means the buyer’s choice directly displaces petroleum feedstock and reduces the garment’s manufacturing footprint without altering its performance.","polygiene_antimicrobial_treatment":"Polygiene works by inhibiting the bacteria that break sweat down into odor-causing compounds — rather than masking smells, it prevents them from forming, so the shirt can be worn for several workouts between washes without developing the permanent funk that plagues many synthetic tops.","capillary_wicking_rapid_evaporation":"The textured microfibre yarns in the jersey knit create a network of tiny channels; surface tension pulls sweat along these micro-capillaries and spreads it into a thin film — this maximizes the water’s exposure to air and cuts dry time to a fraction of what cotton or blended tees require, often under 30 minutes after a high‑heart‑rate session."},"entry_quotes":{"lower_production_energy_carbon":[{"url":"https://natuclothes.com/materials/is-recycled-polyester-better/","quote":"Recycled polyester (rPET) uses 45–85% less energy and produces 30–60% fewer CO₂ emissions than virgin polyester, according to life cycle assessments reviewed by Periyasamy & Militky (2020)."}],"capillary_wicking_rapid_evaporation":[{"url":"https://www.xiaorangroup.com/news/does-recycled-polyester-yarn-have-the-same-moisturewicking-or-quickdrying.html","quote":"Through capillary action, the surface tension of the liquid (your sweat) pulls it along these tiny tubes, spreading it thinly across a large surface area of the fabric. This process is what we call “wicking.”"},{"url":"https://www.xiaorangroup.com/news/does-recycled-polyester-yarn-have-the-same-moisturewicking-or-quickdrying.html","quote":"By spreading the moisture thinly, the fabric dramatically increases its surface area exposed to the air, which accelerates evaporation. This is the “quick‑drying” effect."}]},"entry_sources":{"lower_production_energy_carbon":["https://natuclothes.com/materials/is-recycled-polyester-better/"],"capillary_wicking_rapid_evaporation":["https://www.xiaorangroup.com/news/does-recycled-polyester-yarn-have-the-same-moisturewicking-or-quickdrying.html"]}},"perforated_back_ventilation":{"title":"How perforated backs improve breathability","entries":{"close_fit_bellows_effect":"The close-fitting cut turns the perforated back into an active pump: as your body moves and breathes, the fabric flexes, forcing hot, moisture-laden air out through the micro-perforations and drawing in cooler ambient air. A loose shirt would flap and break that seal — here the performance fit sustains the ventilation cycle.","polygiene_biostatic_finish":"Polygiene, a silver-salt treatment applied to the fabric, permanently inhibits the growth of odor-causing bacteria that proliferate in the warm, moist micro-climate created behind a close-fitting back panel. The payoff is a shirt that stays odor-free through back-to-back workouts and can be washed less often, preserving the recycled polyester fibers.","back_only_micro_perforation":"The shirt limits its micro-perforations to the back panel, the body’s primary heat and sweat release area, while leaving the front solid and opaque. This selective placement delivers active cooling without the full-transparency compromise of all-over perforated shirts, so you can wear it alone in hot conditions and still have front coverage.","quick_dry_recycled_polyester_microfibre":"The soft stretch microfibre jersey is a recycled polyester blend, whose hydrophobic fibers inherently wick moisture off the skin and dry in a fraction of the time of cotton. Because the fabric dries rapidly, the perforated back can continuously release evaporating sweat, keeping the cooling cycle active rather than letting the shirt become saturated and clingy."},"entry_quotes":{"polygiene_biostatic_finish":[{"url":"https://modesens.com/product/ifiv5-microperforated-raglan-longsleeve-tshirt-brown-136601745/","quote":"Polygiene® technology that eliminates odour and prevents bacteria growth"}],"quick_dry_recycled_polyester_microfibre":[{"url":"https://modesens.com/product/ifiv5-microperforated-raglan-longsleeve-tshirt-brown-136601745/","quote":"Soft stretch microfibre jersey in a breathable quick-dry recycled polyester blend"}]},"entry_sources":{"polygiene_biostatic_finish":["https://modesens.com/product/ifiv5-microperforated-raglan-longsleeve-tshirt-brown-136601745/"],"quick_dry_recycled_polyester_microfibre":["https://modesens.com/product/ifiv5-microperforated-raglan-longsleeve-tshirt-brown-136601745/"]}}}},"handle":"long-sleeve-perforated-back-t-shirt-7023-229550","storefront_path":"/en/women-sportswear/t-shirts-tank-tops/t-shirts/long-sleeve-perforated-back-t-shirt--7023-229550","storefront_url":"https://ai.simons.ca/en/women-sportswear/t-shirts-tank-tops/t-shirts/long-sleeve-perforated-back-t-shirt--7023-229550"}}