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Windbreaker Packable Jacket (42 USD) funnels sweat through a tactical back opening, the I.FIV5 positions breathable jersey inserts directly under the arms — closer to the body’s primary heat zones — for a more immediate sensation of cooling during runs or high-output movement."},"entry_quotes":{"polygiene_vs_yarn_yard_anti_bacterial_treatment":[{"url":"https://www.stylight.ca/Item/I-Fiv5/Womens-Fitted-Stretch-Windbreaker-Jacket-Black--072bc37d-19de-54af-836c-437d15a1f30b/","quote":"Polygiene technology that eliminates odour and prevents the growth of bacteria"},{"url":"https://www.yarnyard.org/index.php?product_id=192&route=product%2Fproduct","quote":"anti- bacteria treatment ( lab certify )"}],"recycled_polyester_stretch_vs_gapfit_tech_windbreaker":[{"url":"https://www.stylight.ca/Item/I-Fiv5/Womens-Fitted-Stretch-Windbreaker-Jacket-Black--072bc37d-19de-54af-836c-437d15a1f30b/","quote":"Thick, stretch windproof material made from recycled polyester"},{"url":"https://www.gapcanada.ca/browse/product.do?pid=8746420030000","quote":"Made with 86% recycled polyester."}],"underarm_jersey_ventilation_vs_back_opening_alternative":[{"url":"https://www.diadora.com/en/ca/l._windbreaker_packable_jacket/102.182334_20009.html","quote":"A tactical opening on the back controls sweat without letting in the cold."},{"url":"https://www.stylight.ca/Item/I-Fiv5/Womens-Fitted-Stretch-Windbreaker-Jacket-Black--072bc37d-19de-54af-836c-437d15a1f30b/","quote":"Breathable jersey inserts under the arms"}]},"entry_sources":{"polygiene_vs_yarn_yard_anti_bacterial_treatment":["https://www.stylight.ca/Item/I-Fiv5/Womens-Fitted-Stretch-Windbreaker-Jacket-Black--072bc37d-19de-54af-836c-437d15a1f30b/","https://www.yarnyard.org/index.php?product_id=192&route=product%2Fproduct"],"recycled_polyester_stretch_vs_gapfit_tech_windbreaker":["https://www.stylight.ca/Item/I-Fiv5/Womens-Fitted-Stretch-Windbreaker-Jacket-Black--072bc37d-19de-54af-836c-437d15a1f30b/","https://www.gapcanada.ca/browse/product.do?pid=8746420030000"],"underarm_jersey_ventilation_vs_back_opening_alternative":["https://www.diadora.com/en/ca/l._windbreaker_packable_jacket/102.182334_20009.html","https://www.stylight.ca/Item/I-Fiv5/Womens-Fitted-Stretch-Windbreaker-Jacket-Black--072bc37d-19de-54af-836c-437d15a1f30b/"]}},"windproof_breathability_balance":{"title":"Balancing wind protection and breathability in active use","entries":{"mock_neck_wind_seal":"The mock neck rises above standard crew collars to block wind at the throat without adding a hood that would flap or trap heat, so it replaces a neck gaiter in all but the coldest conditions and signals that the jacket is optimized for speed-oriented sports.","active_use_moisture_balance":"The polyester body and jersey underarm inserts work together to move moisture: the underarm panels let sweat evaporate directly, while the windproof polyester still allows some vapor transmission through the weave, so even without a waterproof-breathable membrane the jacket avoids the plastic-bag feeling of old-school windbreakers during hard intervals.","targeted_underarm_ventilation":"Instead of a full back vent or all-over mesh, the jacket concentrates the only breathable fabric right at the underarms, leaving the chest and back wind-shielded while the primary sweat zone dumps heat—a precision vent strategy that combats the clammy interior typical of 100% windproof shells during tempo efforts.","thick_windproof_polyester_body":"The fabric is specified as 'thick' windproof polyester, meaning it blocks wind through density rather than a fragile membrane—this provides more substantial wind-chill reduction than ultralight shells and adds durability for trail use where brushing against branches is routine.","stretch_and_wind_drag_reduction":"The stretch in the windproof fabric enables a closer athletic fit that drastically cuts fabric flutter and wind drag, which quiets the jacket for runners and reduces the parasitic drag cyclists feel when a loose shell billows in a headwind.","ventilation_trade_off_at_low_output":"The jersey inserts deliberately sacrifice some windproofness for breathability, so at a standstill in a cold gust you will feel a draft under the arms—the jacket is tuned for the high body heat of running and cycling, and that deliberate imbalance is what separates it from casual windbreaker wear."}},"polygiene_odor_control_deep_dive":{"title":"How Polygiene odor control actually works","entries":{"medical_grade_skin_safety":"Polygiene-treated textiles carry European Medical Class 1 certification—the same rating as wound-contact bandages—because the silver chloride particles are over 100 times larger than nanosilver and cannot migrate into the body, so wearing this windbreaker directly over bare skin or over a light layer poses no chemical irritation risk.","breathable_panel_odor_synergy":"The underarm jersey inserts accelerate moisture evaporation from exactly the zone where bacteria would otherwise breed fastest, while Polygiene handles any remaining flora—this dual approach means the jacket can maintain freshness even when worn directly over a sweaty base layer.","4_day_multi_activity_field_test":"A separate field test on a Polygiene-treated Montane long-sleeve top survived four days of 21km trail runs, lawn mowing, gardening, and brisk walks before any mustiness appeared, and casual daily wear stretched to 4–5 days without odor, confirming that the jacket’s underarm-prone polyester will stay wearable through multiple mixed-output sessions.","three_level_bacterial_inhibition":"Polygiene StayFresh silver ions work on three fronts—disrupting the bacterial cell wall, blocking DNA replication, and halting enzyme energy production—so odor-causing microbes are neutralized at the source rather than just rinsed away, giving the jacket's recycled polyester the kind of stay-fresh behavior typically associated with odor-resistant merino wool.","recycled_silver_eco_certifications":"The active silver is reclaimed entirely from photographic and industrial scrap rather than mined, requiring only a ring’s worth to treat 5,000 garments, and the treatment holds bluesign, Oeko-Tex Eco-Passport, and REACH certifications—so the jacket’s anti-odor feature amplifies the recycled polyester shell’s environmental story.","8_day_stink_test_by_outside_magazine":"When an Outside magazine tester ran, worked, and slept in a Polygiene-treated Patagonia shirt for eight consecutive days without washing, the pits only reached the sourness of a single-run non-treated shirt, demonstrating that even a synthetic shell worn directly against the skin can stretch laundry intervals well past a week—a strong proxy for how this windbreaker will behave during extended active use.","washing_resilience_under_extreme_use":"During the Montane top field test, machine washing between multi-day compressions damp in a hydration pack did not degrade the odor control—the shirt returned to multi-wear freshness, proving Polygiene isn't a fragile coating but a chemically bonded finish that survives laundry and abuse cycles."},"entry_quotes":{"medical_grade_skin_safety":[{"url":"https://www.alpinetrek.co.uk/blog/polygiene-how-does-the-stink-blocker-work-and-is-it-sustainable/","quote":"Polygiene-treated fabrics have received Medical Class 1 approval in Europe, the same class that includes bandages for direct contact with open wounds."}],"breathable_panel_odor_synergy":[{"url":"https://polygiene.com/antibacterial-workout-clothes/","quote":"Whereas regular workout clothes provide bacteria with the perfect growth conditions (bacteria love warm and damp environments), antimicrobial activewear stops the bacteria from proliferating."}],"4_day_multi_activity_field_test":[{"url":"https://www.inkl.com/news/we-put-anti-pong-polygiene-fabric-tech-to-the-test-in-the-field-but-did-it-actually-work","quote":"I might normally wear a top for a couple of days but with the Montane top that has been treated with Polygiene I found I could happily wear it for four to five days."}],"three_level_bacterial_inhibition":[{"url":"https://polygiene.com/antibacterial-workout-clothes/","quote":"1. It binds to the cell wall to disrupt growth.\n2. It interferes with bacterial DNA to prevent cellular replication.\n3. It interrupts enzyme action to prevent energy production."}],"recycled_silver_eco_certifications":[{"url":"https://www.alpinetrek.co.uk/blog/polygiene-how-does-the-stink-blocker-work-and-is-it-sustainable/","quote":"Polygiene is based on silver chloride obtained from 100% recycled silver sourced from photographic and industrial applications."},{"url":"https://polygiene.com/stayfresh/","quote":"We’re accredited by bluesign, which promotes consumer safety, low impact manufacturing and responsible use of resources; Oeko-Tex Eco-Passport which supports responsible manufacturing and supply chains; and we have REACH compliance, the EU’s chemicals legislation."}],"8_day_stink_test_by_outside_magazine":[{"url":"https://www.outsideonline.com/outdoor-gear/clothing-apparel/do-anti-stink-clothing-treatments-really-work/","quote":"The armpits didn’t reek of BO, but they did smell slightly sour—not enough to bother a running partner but certainly enough to deserve a wash. I’d say the shirt smelled as bad as a non-Polygiene shirt might after one long run."}],"washing_resilience_under_extreme_use":[{"url":"https://www.inkl.com/news/we-put-anti-pong-polygiene-fabric-tech-to-the-test-in-the-field-but-did-it-actually-work","quote":"Washing the product in between these tests did not seem to affect the Polygiene treatment."}]},"entry_sources":{"medical_grade_skin_safety":["https://www.alpinetrek.co.uk/blog/polygiene-how-does-the-stink-blocker-work-and-is-it-sustainable/"],"breathable_panel_odor_synergy":["https://polygiene.com/antibacterial-workout-clothes/"],"4_day_multi_activity_field_test":["https://www.inkl.com/news/we-put-anti-pong-polygiene-fabric-tech-to-the-test-in-the-field-but-did-it-actually-work"],"three_level_bacterial_inhibition":["https://polygiene.com/antibacterial-workout-clothes/"],"recycled_silver_eco_certifications":["https://www.alpinetrek.co.uk/blog/polygiene-how-does-the-stink-blocker-work-and-is-it-sustainable/","https://polygiene.com/stayfresh/"],"8_day_stink_test_by_outside_magazine":["https://www.outsideonline.com/outdoor-gear/clothing-apparel/do-anti-stink-clothing-treatments-really-work/"],"washing_resilience_under_extreme_use":["https://www.inkl.com/news/we-put-anti-pong-polygiene-fabric-tech-to-the-test-in-the-field-but-did-it-actually-work"]}},"recycled_polyester_properties_and_eco":{"title":"Recycled polyester feel, eco-benefits, and care","entries":{"carbon_footprint_reduction":"Recycled polyester fiber generates approximately 60–70% lower greenhouse gas emissions per kilogram than virgin polyester — around 1.5–2.5 kg CO₂e versus 5.0–6.0 kg — so choosing this jacket over a typical virgin-polyester windbreaker directly reduces the apparel production carbon footprint from the material stage.","energy_savings_in_production":"Because recycled polyester uses 45–85% less energy to produce than virgin, the jacket's fabric has a significantly lower embedded energy footprint, making it a measurably lower-impact choice for eco-conscious consumers.","activewear_performance_credentials":"Textile researchers have specifically validated 100% recycled polyester knit fabrics for active sportswear, citing high air permeability and thermal vapor resistance, which aligns with the jacket's breathable underarm panels and windproof design for active use.","hand_feel_parity_with_virgin_polyester":"Modern recycled polyester garments have achieved such softness that blind touch tests show most people cannot distinguish them from virgin polyester — the jacket's fabric should feel like a standard polyester shell, not a rough or crunchy 'eco' fabric.","polymer_level_identity_to_virgin_polyester":"At the molecular level, recycled polyester is identical to virgin polyethylene terephthalate — same density, melting point, and hydrophobic 0.4% moisture regain — so the jacket's weather resistance, quick-drying nature, and fabric stability are inherent to the polymer, not diminished by recycling."},"entry_quotes":{"carbon_footprint_reduction":[{"url":"https://vnpolyfiber.com/recycled-polyester-vs-virgin-polyester-complete-comparison-for-brands-and-buyers/","quote":"The 60–70% lower GHG emissions claim for recycled vs. virgin polyester is the most widely cited sustainability credential for rPSF—and it is well-substantiated by multiple independent Life Cycle Assessment (LCA) studies, including Textile Exchange’s Preferred Fiber & Materials Market Report and peer-reviewed academic analyses."}],"energy_savings_in_production":[{"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)."}],"activewear_performance_credentials":[{"url":"https://journals.uni-lj.si/tekstilec/article/view/15038","quote":"It was found that fabric produced from 100% recycled polyester is suitable for active sportswear due to its high air permeability, and resistance to heat and water vapor."}],"hand_feel_parity_with_virgin_polyester":[{"url":"https://fashion.sustainability-directory.com/learn/do-consumers-notice-a-difference-in-recycled-fabric-feel/","quote":"In blind touch tests, most consumers can no longer tell the difference between a high-quality recycled polyester garment and a virgin one."}],"polymer_level_identity_to_virgin_polyester":[{"url":"https://natuclothes.com/materials/is-recycled-polyester-better/","quote":"Both recycled and virgin polyester share the same base polymer: polyethylene terephthalate. The molecular structure is identical once processing is complete, which is why performance differences between the two are minimal in finished garments."}]},"entry_sources":{"carbon_footprint_reduction":["https://vnpolyfiber.com/recycled-polyester-vs-virgin-polyester-complete-comparison-for-brands-and-buyers/"],"energy_savings_in_production":["https://natuclothes.com/materials/is-recycled-polyester-better/"],"activewear_performance_credentials":["https://journals.uni-lj.si/tekstilec/article/view/15038"],"hand_feel_parity_with_virgin_polyester":["https://fashion.sustainability-directory.com/learn/do-consumers-notice-a-difference-in-recycled-fabric-feel/"],"polymer_level_identity_to_virgin_polyester":["https://natuclothes.com/materials/is-recycled-polyester-better/"]}}}},"handle":"fitted-stretch-windbreaker-jacket-13410-227777","storefront_path":"/en/women-sportswear/coats-vests/raincoats-windbreakers/fitted-stretch-windbreaker-jacket--13410-227777","storefront_url":"https://ai.simons.ca/en/women-sportswear/coats-vests/raincoats-windbreakers/fitted-stretch-windbreaker-jacket--13410-227777"}}