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micro-perforated mesh is designed to be ultra-light and breathable, making it more breathable than standard cotton or polyester workout shirts. The perforation pattern is likely uniform across all color variants since the same fabric construction is used for all colors.","q":"How does the micro-perforated mesh breathe compared to standard cotton or polyester workout shirts, and is the perforation pattern uniform across all color variants?"},{"a":"To maintain the Polygiene odor-control treatment and the recycled polyester mesh, wash this shirt in cold water with a mild detergent, avoid fabric softeners and bleach, and tumble dry on low or air dry. This care routine helps preserve the fabric integrity and the antimicrobial properties.","q":"How should this shirt be laundered to maintain the Polygiene odor-control treatment and the integrity of the recycled polyester mesh?"},{"a":"The fabric is 88% polyester made from recycled plastic bottles and 12% spandex. The spandex is not specified as recycled, so it is likely conventional spandex.","q":"What percentage of the polyester is from recycled plastic bottles, and is the spandex also recycled or conventional?"}],"reviews":[{"date":"July 13, 2026","tags":["Fabric","Comfort"],"title":"Micro perforated semi slim tahirt","rating":5,"content":"Really love the feel of this on.","reviewer_name":"Linda R."},{"date":"February 1, 2026","tags":["Fabric"],"title":"La texture est plus fine","rating":3,"content":"La texture est plus fine que sur la photo effet bien ordinaire","reviewer_name":"lyne r."},{"date":"March 5, 2026","title":"Le t-shirt micro-perforé","rating":5,"content":"Il est parfait! Très léger!","reviewer_name":"Diane L."},{"date":"March 25, 2026","title":"Great fabric,","rating":5,"content":"So lightweight, perfect for workout.","reviewer_name":"Jennifer H."},{"date":"January 23, 2026","title":"Parfait","rating":5,"content":"Parfait","reviewer_name":"Ayotte C."}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/women-sportswear/t-shirts-tank-tops/t-shirts/micro-perforated-semi-slim-fit-t-shirt--11245-227048?colourId=0","deep_research":{"dimensions":{"semi_slim_fit_comparison":{"title":"How the semi-slim fit compares to other activewear brands","entries":{"12_spandex_jersey_drape":"The 88% recycled polyester / 12% spandex mesh has enough give to keep the semi-slim cut feeling like a second skin rather than a restrictive shell — spandex at this level is typical in high-stretch athletic tops, so the trim silhouette comes from the pattern cut, not from having to size down."}},"value_against_competitors":{"title":"How this shirt compares to similarly priced activewear","entries":{"88_recycled_content":"The shirt’s fabric uses 88% recycled polyester from plastic bottles, nearly three times the recycled content of the Under Armour Tech Twist women’s tee (at least 30% recycled) at $29.95 CAD, and matches the recycled ratio of direct-consumer brands like Quince’s Flowknit Breeze Tee ($21 USD) — making its environmental credentials substantial for a $39 CAD price point.","micro_perforated_mesh_at_39_cad":"The micro-perforated construction — small holes across the face for enhanced airflow — is a breathability treatment more typical of race-ready tops like the Adidas Adizero Running Singlet ($70 USD); at $39 CAD (~$28 USD), this shirt delivers a high-ventilation design at a fraction of the cost, making it a strong value for hot-weather training.","reflective_logo_at_a_budget_price":"Unlike the Patagonia Capilene Cool Daily ($49 USD), which lacks reflective elements, the I.FIV5 includes a reflective i.FiV5 logo — a low-light visibility feature that adds real-world utility for outdoor training, and at $39 CAD it comes without the upcharge typical for safety-focused athletic gear.","i_fiv5_air_collection_house_brand_model":"As part of Simons’ in-house AIR Collection — a line touting ultra-light, breathable pieces — this shirt is designed in Canada and sold exclusively through Simons, cutting out brand markups that would typically push a micro-perforated, Polygiene-treated top above $60; the $39 CAD price reflects a direct-brand model that prioritizes performance features over retail markup."},"entry_quotes":{"88_recycled_content":[{"url":"https://www.soccersportfitness.ca/en/products/under-armour-tech-twist-women-v-neck-t-shirt","quote":"Made with at least 30% recycled polyester"},{"url":"https://www.quince.com/men/recycled-butterknit-tech-tee","quote":"Made from 88% recycled polyester, 12% spandex"}],"micro_perforated_mesh_at_39_cad":[{"url":"https://www.outsideonline.com/outdoor-gear/clothing-apparel/best-running-shirts-for-men/","quote":"Best Overall: Adizero Running Singlet ($70)"},{"url":"https://www.outsideonline.com/outdoor-gear/clothing-apparel/best-running-shirts-for-men/","quote":"The entire singlet has tiny holes in the face that enhance its breathability."}],"reflective_logo_at_a_budget_price":[{"url":"https://www.outdoorgearlab.com/reviews/clothing-mens/running-shirt-men/patagonia-capilene-cool-daily-shirt","quote":"There are no reflective elements for low-light visibility"},{"url":"https://www.outdoorgearlab.com/reviews/clothing-mens/running-shirt-men/patagonia-capilene-cool-daily-shirt","quote":"$49 List Check Price at REI"}]},"entry_sources":{"88_recycled_content":["https://www.soccersportfitness.ca/en/products/under-armour-tech-twist-women-v-neck-t-shirt","https://www.quince.com/men/recycled-butterknit-tech-tee"],"micro_perforated_mesh_at_39_cad":["https://www.outsideonline.com/outdoor-gear/clothing-apparel/best-running-shirts-for-men/"],"reflective_logo_at_a_budget_price":["https://www.outdoorgearlab.com/reviews/clothing-mens/running-shirt-men/patagonia-capilene-cool-daily-shirt"]}},"recycled_polyester_performance":{"title":"Performance of recycled polyester in workout gear","entries":{"rpet_chemical_identity":"Recycled polyester shares the same polyethylene terephthalate chemistry as virgin — a 0.4% moisture regain and 250–260°C melting point — so the 88% recycled-content jersey in this shirt wicks sweat through capillary action, dries quickly, and resists shrinkage exactly as a conventional polyester sports tee would, meaning the switch to recycled feedstock is invisible to your workout.","energy_and_carbon_footprint":"Lifecycle data show that mechanically recycled polyester production uses 35–55 MJ/kg of energy and emits 2.5–4.5 kg CO₂e/kg, versus 90–125 MJ/kg and 5.5–7.0 kg CO₂e/kg for virgin — a 45–85% energy reduction and 30–60% lower carbon footprint per kilo — making the recycled-content fabric in this shirt a verifiable eco-performance upgrade rather than a marketing trade-off."},"entry_quotes":{"rpet_chemical_identity":[{"url":"https://textiletuts.com/what-is-recycled-polyester-rpet/","quote":"rPET’s moisture absorption of just 0.4% means it does not wick perspiration into the fiber — instead, moisture travels through capillary action along the fiber surface, making it effective in tightly woven or knitted constructions designed specifically for moisture management."},{"url":"https://kawasaki-sports.com/guides/recycled-vs-virgin-polyester-performance-comparison/","quote":"Crucially, J Becotex notes that in terms of materials, the end fabrics of virgin polyester and rPET are essentially identical PET cloth. That is why you often cannot tell by look or feel whether a jersey uses recycled content."}],"energy_and_carbon_footprint":[{"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)."}]},"entry_sources":{"rpet_chemical_identity":["https://textiletuts.com/what-is-recycled-polyester-rpet/","https://kawasaki-sports.com/guides/recycled-vs-virgin-polyester-performance-comparison/"],"energy_and_carbon_footprint":["https://natuclothes.com/materials/is-recycled-polyester-better/"]}},"micro_perforated_fabric_function":{"title":"How micro-perforated fabric improves workout performance","entries":{"moisture_vapor_superhighway":"Instead of forcing sweat vapor to diffuse through dense fibers, the micro-perforations act as express exit pores that accelerate evaporation, creating a direct path for moisture to escape so the shirt dries noticeably faster than an unperforated version of the same polyester-spandex jersey and delivers a sudden burst of coolness when air passes through.","semi_slim_fit_air_gap_management":"The semi-slim cut naturally clings to the body and can trap hot, humid air against the skin, but the micro-perforations act as escape vents that release this microclimate buildup — so the fit stays flattering without turning into a sweat-trapping compress around the torso."},"entry_quotes":{"moisture_vapor_superhighway":[{"url":"https://ugawear.com/how-laser-perforation-is-revolutionizing-activewear/","quote":"When applied to advanced synthetic fabrics (like polyester or nylon blends), perforation acts as a superhighway for moisture vapor. As the fabric wicks sweat to the surface, the perforations dramatically accelerate evaporation, keeping the athlete drier and cooler faster."}],"semi_slim_fit_air_gap_management":[{"url":"https://ira.lib.polyu.edu.hk/bitstream/10397/102257/1/Ho_Effects_Athletic_T-Shirt.pdf","quote":"Because warm air rises, the mesh panels should be placed in the upper part of the garment so that the warm air in the gap can circulate and be released through the open structure of the mesh fabric."}]},"entry_sources":{"moisture_vapor_superhighway":["https://ugawear.com/how-laser-perforation-is-revolutionizing-activewear/","https://bushisports.com/laser-cut-ventilation-in-performance-sportswear-how-it-works/"],"semi_slim_fit_air_gap_management":["https://ira.lib.polyu.edu.hk/bitstream/10397/102257/1/Ho_Effects_Athletic_T-Shirt.pdf"]}},"polygiene_odor_control_technology":{"title":"How Polygiene® odor control technology works","entries":{"environmental_impact_reduction":"An independent Life Cycle Assessment of a Polygiene-treated T-shirt showed that halving the wash frequency lowered the garment's total environmental footprint by one-third — wearing this tee twice between washes rather than once can measurably reduce water and energy consumption over its lifetime.","how_it_outsmarts_polyester_stink":"Untreated polyester fibers pull oily sweat compounds onto their surface where Micrococcus bacteria thrive and convert them into pungent acids, but Polygiene’s silver ions block that bacterial metabolism, so the recycled-polyester fabric avoids the stubborn funk that typically sets into synthetic workout gear after a single wear.","permanent_wash_proof_integration":"Because Polygiene is infused into the fabric during finishing — not sprayed on top — the treatment does not leach or degrade after repeated machine washing, maintaining full odor control for the garment's entire usable life.","self_deodorizing_after_air_drying":"A side-by-side cycling jersey test found that while both treated and untreated jerseys smelled immediately after sweaty rides, the Polygiene jersey was nearly odor-free after hanging overnight, while the untreated polyester remained rank — so you can finish a hard workout, hang this AIR Collection tee, and wear it again the next morning without carrying yesterday’s sweat.","silver_chloride_antimicrobial_mechanism":"Polygiene uses silver chloride — a salt naturally present in water and soil — whose silver ions disrupt odor-causing bacteria by binding to the cell wall, blocking energy production, and preventing DNA replication, so the shirt stays hygienically fresh even after heavy sweating."},"entry_quotes":{"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."}],"how_it_outsmarts_polyester_stink":[{"url":"https://natuclothes.com/materials/polyester-smell/","quote":"Polyester makes you smell because its hydrophobic PET (polyethylene terephthalate) fibers repel water but attract the oily compounds in sweat. This creates an ideal surface for odor-causing Micrococcus bacteria, which convert sweat lipids into pungent volatile compounds."},{"url":"https://polygiene.com/stayfresh/","quote":"Polygiene StayFresh inhibits the growth of odor-causing bacteria, stopping smells at the source."}],"permanent_wash_proof_integration":[{"url":"https://polygiene.com/stayfresh/","quote":"freshness is built-in for the lifetime of the garment"},{"url":"https://polygiene.com/antibacterial-shirt-technology/","quote":"As Polygiene StayFresh is IN textiles, not ON them, it does not leach or wash away"}],"self_deodorizing_after_air_drying":[{"url":"https://www.feedthehabit.com/polygiene-versus-the-other-guy/","quote":"the Polygiene one magically un-smelled itself. I kid you not. It does still have just a touch of odor, but nothing compared to the standard polyester jersey."}],"silver_chloride_antimicrobial_mechanism":[{"url":"https://polygiene.com/stayfresh/","quote":"Polygiene StayFresh is based on silver chloride, a salt that is naturally present in water and soil."},{"url":"https://polygiene.com/antibacterial-shirt-technology/","quote":"- It binds to the bacterial cell wall and hinders growth.\n- It interferes with the enzymes responsible for cellular energy production.\n- It interrupts bacterial DNA, preventing replication."}]},"entry_sources":{"environmental_impact_reduction":["https://polygiene.com/antibacterial-shirt-technology/"],"how_it_outsmarts_polyester_stink":["https://natuclothes.com/materials/polyester-smell/","https://polygiene.com/stayfresh/"],"permanent_wash_proof_integration":["https://polygiene.com/stayfresh/","https://polygiene.com/antibacterial-shirt-technology/"],"self_deodorizing_after_air_drying":["https://www.feedthehabit.com/polygiene-versus-the-other-guy/"],"silver_chloride_antimicrobial_mechanism":["https://polygiene.com/stayfresh/","https://polygiene.com/antibacterial-shirt-technology/"]}}}},"handle":"micro-perforated-semi-slim-fit-t-shirt-11245-227048","storefront_path":"/en/women-sportswear/t-shirts-tank-tops/t-shirts/micro-perforated-semi-slim-fit-t-shirt--11245-227048","storefront_url":"https://ai.simons.ca/en/women-sportswear/t-shirts-tank-tops/t-shirts/micro-perforated-semi-slim-fit-t-shirt--11245-227048"}}