{"product":{"catalog_id":"5d6d33df-e62c-4217-9fad-8acabc88988b","is_eligible_search":true,"is_eligible_checkout":false,"item_id":"66bb7dbf-306a-4282-8fb2-833eb64c6237","title":"Built-In Liner Stretch Jersey Short Length: 4.5\"","description":"These men's built-in liner stretch jersey shorts from i.FiV5 by Simons are designed for racquet sports and active use, featuring a full-stretch nylon/spandex shell (77% nylon, 23% spandex) and a microfibre bike liner with micro perforations at the crotch. They include an adjustable drawstring waist, slant front pockets, a zip back pocket, and Polygiene® odour-control technology, with a 4.5-inch (11.5 cm) inseam and a wide split hem. The shell composition is 77% nylon and 23% spandex, while the mesh liner is 80% nylon and 20% spandex; machine washable, do not bleach, hang to dry.","url":"https://www.simons.ca/en/men-sports-clothes/pants-shorts/sports-shorts/built-in-liner-stretch-jersey-short-length-4-5--17541-225201?colourId=10","brand":"I.FIV5","condition":"new","product_category":"men sports clothes > pants shorts > sports shorts","material":"Mesh: 80% nylon, 20% spandex","age_group":"adult","image_url":"https://imagescdn.simons.ca/images/17541/225201/10/A1_2.jpg","additional_image_urls":["https://imagescdn.simons.ca/images/17541/225201/10/A2_2.jpg","https://imagescdn.simons.ca/images/17541/225201/10/A3_2.jpg"],"images":[{"id":"img-1784702860871-0","url":"https://imagescdn.simons.ca/images/17541/225201/10/A1_2.jpg","alt_text":"Built-in liner stretch jersey short Length: 4.5\" product image (primary)","position":1,"attributes":{"other":{"summary":"Lifestyle studio shot showing a male model wearing the shorts with matching white polo, white crew socks, and white sneakers; model holds a round duffel bag with visible branding and a tan towel over one shoulder. 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This preserves the fabric's stretch and the Polygiene odor control.","q":"What care instructions are recommended to maintain stretch and odor control?"}],"reviews":[{"date":"June 17, 2026","title":"Bonne qualité","rating":5,"content":"Très confortable, la pochette pour le cellulaire garde le téléphone immobile.","reviewer_name":"Jean-Francois R."},{"date":"July 3, 2026","title":"Good","rating":5,"content":"Great value","reviewer_name":"Daniel S."},{"date":"July 10, 2026","title":"fits slightly small","rating":4,"content":"A bit snug, but feels high quality","reviewer_name":"Jonathan N."}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/men-sports-clothes/pants-shorts/sports-shorts/built-in-liner-stretch-jersey-short-length-4-5--17541-225201?colourId=10","deep_research":{"dimensions":{"polygiene_technology_overview":{"title":"Polygiene odor control technology explained","entries":{"skin_safe_design":"Because StayFresh's silver ions are active only within the fabric, they don't interfere with the skin's natural bacterial barrier or cause irritation — a safety advantage that matters when the built‑in liner is worn directly against the skin for hours of intense movement.","wash_less_durability":"By keeping the shorts odor‑free across multiple wears, StayFresh lets you wash them less often, which reduces fabric abrasion from laundering, preserves the nylon‑spandex stretch, and saves water and energy — a practical benefit that directly extends the useful life of the shorts.","recycled_silver_source":"The silver chloride in these shorts is produced from recycled industrial silver — so the antimicrobial performance comes from reclaimed material, a sustainability detail that complements the water savings of washing them less frequently.","fiber_level_integration":"StayFresh is embedded directly into the fiber during finishing, not applied as a surface coating, so the odor‑blocking action survives the life of the shorts without fading, peeling, or washing out — a permanent durability that generic topical silver coatings, which often degrade after a few dozen cycles, cannot match.","silver_chloride_mechanism":"Polygiene StayFresh releases silver ions from silver chloride that prevent odor‑causing bacteria from multiplying in the fabric — the shorts stay fresh by stopping smell at the bacterial level rather than masking it, so they can go further between washes.","adopted_by_arc_teryx_and_the_north_face":"Arc'teryx and The North Face both use Polygiene StayFresh in their expedition‑weight apparel, so the same odor‑control chemistry trusted for alpine and trail performance is what keeps these shorts fresh — the treatment isn't a diluted or generic version.","certifications_bluesign_oeko_tex_reach_epa":"StayFresh carries bluesign, Oeko‑Tex Eco‑Passport, REACH, and US EPA registration — these independent audits confirm the treatment is skin‑safe, environmentally responsible, and manufactured under controlled chemistries, a layer of trust that many unbranded antimicrobial finishes lack."},"entry_quotes":{"skin_safe_design":[{"url":"https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained","quote":"StayFresh works solely within the material. It does not interfere with the skin's natural bacterial flora and does not affect the body's own processes. The technology has undergone extensive safety testing and is completely safe in direct contact with the skin."}],"wash_less_durability":[{"url":"https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained","quote":"By staying fresh longer between washes, you also reduce wear on your sleek workout gear. This reduces wear on the material, lowers water consumption and extends the garment's lifespan."}],"recycled_silver_source":[{"url":"https://www.advnture.com/features/ready-to-publish-what-is-polygiene-and-does-it-really-stop-your-kit-from-smelling","quote":"Silver chloride is produced from recycled silver and is naturally present in water and soil."}],"fiber_level_integration":[{"url":"https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained","quote":"And because the treatment is built into the fibres rather than applied to the surface, it is unaffected by washing, friction or UV light.It stays for the entire lifetime of the garment."}],"silver_chloride_mechanism":[{"url":"https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained","quote":"The technology is based on silver chloride, a salt that occurs naturally in water and soil. The silver ions provide a powerful antibacterial effect, making it impossible for odor-causing bacteria to reproduce in the fabric."}],"adopted_by_arc_teryx_and_the_north_face":[{"url":"https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained","quote":"it's the reason brands like The North Face and Arc'teryx have chosen to integrate Polygiene StayFresh into their garments."}],"certifications_bluesign_oeko_tex_reach_epa":[{"url":"https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained","quote":"StayFresh is certified by bluesign, which audits consumer safety and responsible manufacturing, Oeko-Tex Eco-Passport for responsible supply chains, and complies with REACH, the EU's chemical legislation. The technology is also registered with the US EPA."}]},"entry_sources":{"skin_safe_design":["https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained"],"wash_less_durability":["https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained"],"recycled_silver_source":["https://www.advnture.com/features/ready-to-publish-what-is-polygiene-and-does-it-really-stop-your-kit-from-smelling"],"fiber_level_integration":["https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained"],"silver_chloride_mechanism":["https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained"],"adopted_by_arc_teryx_and_the_north_face":["https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained"],"certifications_bluesign_oeko_tex_reach_epa":["https://doseathletic.com/blogs/what-is-polygiene/antibacterial-technology-explained"]}},"racquet_sports_motion_features":{"title":"Design for racquet sports movement","entries":{"micro_perforated_crotch_panel":"Laser‑cut micropores on the liner’s crotch panel create a concentrated airflow zone across the highest‑heat area of the lower body, actively pulling warm air away during extended rallies — an advantage for tournament players who may wear the same short for multiple matches in a day and need rapid moisture evaporation between points.","23_spandex_full_stretch_jersey":"The main body uses 23% spandex — notably higher than the 10‑15% elastane found in many general activewear shorts — delivering almost zero‑resistance stretch that never tightens across the thigh during a full‑extension lunge or a split‑step load, meaning the short feels like a second skin rather than a restrictive layer.","4_5_inch_inseam_for_maximum_stride":"At a 4.5‑inch inseam, this short cuts 3.5 to 4.5 inches shorter than the 8.5‑9″ standard of typical tennis shorts like the Nike Team Dry (8.5″) or Adidas Game Set Ergo (9″), yielding unrestricted stride length for the deep lunges and full‑leg extensions that racquet sports demand — effectively adopting a race‑short length for utility at the net and baseline."},"entry_quotes":{"4_5_inch_inseam_for_maximum_stride":[{"url":"https://thetennistribe.com/best-tennis-shorts/","quote":"Inseam Length | 8.5 inches"},{"url":"https://thetennistribe.com/best-tennis-shorts/","quote":"Inseam Length | 9 inches"}]},"entry_sources":{"4_5_inch_inseam_for_maximum_stride":["https://thetennistribe.com/best-tennis-shorts/"]}},"nylon_spandex_fabric_properties":{"title":"Nylon-spandex blend performance and feel","entries":{"superior_moisture_wicking":"Nylon spandex wicks sweat at 50–70 mm per 30 minutes in vertical tests — nearly double the 30–45 mm of untreated polyester — pulling moisture off the skin fast enough to keep the liner dry and reduce the friction that leads to chafing during intense rallies.","richer_longer_lasting_colour":"Because nylon absorbs dye more deeply than polyester, the Black and Navy/Midnight Blue colourways retain deep, saturated colour through repeated washing instead of fading to a washed‑out tint over time.","nylon_s_elastic_recovery_edge":"Nylon spandex delivers elastic recovery of 88–92% versus 82–87% for polyester spandex, meaning the shorts snap back to their original shape after each stretch rather than gradually bagging out at the knees or waistband during a match.","80_20_nylon_spandex_mesh_liner":"The built‑in liner’s 80% nylon / 20% spandex mesh matches the blend that in fatigue testing delivered less than 2% permanent deformation after 100 stretch‑release cycles, so it resists the loss of compression that can plague lower‑spandex or polyester liners after a season of lateral cross‑court movements.","compression_retention_through_50_washes":"Independent tests show nylon spandex compression ratings remain within 5% of new after 50 wash cycles — a level polyester blends often cannot match — so the built‑in liner’s snug fit stays consistent throughout the season rather than relaxing with repeated laundering.","all_direction_stretch_with_instant_recovery":"The 20–23% spandex content gives the nylon jersey elongation‑at‑break above 400% and recovery in under one second, so the shorts can stretch with deep lunges and lateral slides without restricting movement, then immediately return to shape without sagging.","breathability_through_nylon_s_moisture_regain_and_micro_perforations":"Nylon’s natural moisture regain of about 4% allows the liner to absorb and spread perspiration before wicking it to the surface, where crotch micro‑perforations accelerate evaporation — a combination that prevents the hot, clammy buildup common in flat polyester‑lined shorts during high‑intensity play."},"entry_quotes":{"superior_moisture_wicking":[{"url":"https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html","quote":"In standardized moisture management tests, nylon spandex fabrics score a wicking rate of 50–70 mm per 30 minutes in vertical wicking tests — significantly above untreated polyester at 30–45 mm."}],"richer_longer_lasting_colour":[{"url":"https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html","quote":"Absorbs dye more richly — deeper, longer-lasting color"}],"nylon_s_elastic_recovery_edge":[{"url":"https://yunenx.com/sportswear-fabric-guide/","quote":"Elastic Recovery | 95–98% | 88–92% | 82–87% | >90% = shape retention"}],"80_20_nylon_spandex_mesh_liner":[{"url":"https://yunenx.com/sportswear-fabric-guide/","quote":"80% Nylon/20% Spandex | <2% | Best shape retention | Yoga, compression"}],"compression_retention_through_50_washes":[{"url":"https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html","quote":"Independent textile tests show nylon spandex maintains compression ratings within 5% deviation after 50 wash cycles — a benchmark polyester blends struggle to match."}],"all_direction_stretch_with_instant_recovery":[{"url":"https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html","quote":"Together, they achieve elongation-at-break values above 400% with full recovery in under one second."}],"breathability_through_nylon_s_moisture_regain_and_micro_perforations":[{"url":"https://yunenx.com/sportswear-fabric-guide/","quote":"Moisture Regain | <1% | 3.8–4.2% | 0.4–0.6% | Nylon absorbs but dries slow"}]},"entry_sources":{"superior_moisture_wicking":["https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html"],"richer_longer_lasting_colour":["https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html"],"nylon_s_elastic_recovery_edge":["https://yunenx.com/sportswear-fabric-guide/"],"80_20_nylon_spandex_mesh_liner":["https://yunenx.com/sportswear-fabric-guide/"],"compression_retention_through_50_washes":["https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html"],"all_direction_stretch_with_instant_recovery":["https://www.yitaifabrics.com/news/nylon-spandex-fabric-for-sportswear-why-it-performs.html"],"breathability_through_nylon_s_moisture_regain_and_micro_perforations":["https://yunenx.com/sportswear-fabric-guide/"]}}}},"handle":"built-in-liner-stretch-jersey-short-length-4-5-17541-225201","storefront_path":"/en/men-sports-clothes/pants-shorts/sports-shorts/built-in-liner-stretch-jersey-short-length-4-5--17541-225201","storefront_url":"https://ai.simons.ca/en/men-sports-clothes/pants-shorts/sports-shorts/built-in-liner-stretch-jersey-short-length-4-5--17541-225201"}}