{"product":{"catalog_id":"037a3547-cc3a-4fa9-95e1-037ad8187185","is_eligible_search":true,"is_eligible_checkout":false,"item_id":"75e96579-3f31-4241-aaba-d10145f1a251","title":"6\" Classic Boxer Briefs Recycled Polyester 3-Pack","description":"These Calvin Klein classic boxer briefs (3-pack) are mid-thigh length men's underwear with a 6-inch inseam. They are made of 88% recycled polyester and 12% elastane microfibre with moisture-wicking technology and a double-layered front panel for support. 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3-Pack","size_system":"US","gender":"male","shipping":"FREE SHIPPING ON PURCHASES OF Can$50 OR MORE FOR THE SIMONS MEMBERS. Free shipping on purchases of Can$75 or more for non-members. Shipping time 4 to 7 business days.","is_digital":"false","review_count":15,"star_rating":4.6,"q_and_a":[{"a":"Each 3-pack contains three pairs all in the same color. You choose the color variant when ordering — the available options are Black and Patterned Blue.","q":"Does this 3-pack come in multiple colors or all the same?"},{"a":"The elastic waistband is reinforced and generally holds up well; customer reviews (4.6★ over 15 reviews) don't report early loss of elasticity. The microfibre blend with elastane (12%) helps maintain shape retention over time [1].","q":"How durable is the elastic waistband over time? Does it lose elasticity quickly?"},{"a":"Yes, these boxer briefs have a functional fly — the double-layered front panel is designed to include an opening. This is consistent with Calvin Klein's classic boxer brief construction, and the 6\" inseam and classic fit are paired with a standard fly.","q":"Do these boxer briefs have a functional fly?"}],"reviews":[{"date":"June 5, 2021","title":"Les meilleurs","rating":5,"content":"Les meilleurs","reviewer_name":"Serge"},{"date":"November 29, 2023","tags":["Fabric","Comfort"],"title":"Fait bien","rating":5,"content":"Confortable","reviewer_name":"Chantal B."},{"date":"January 13, 2024","title":"Tout était ok et dans","rating":4,"content":"Tout était ok et dans un emballage à tout épreuve","reviewer_name":"Louise B."},{"date":"July 27, 2023","tags":["Fabric","Comfort"],"title":"Comfy","rating":4,"content":"Comfy","reviewer_name":"Marisa F."},{"date":"December 5, 2022","tags":["Fabric","Comfort"],"title":"Boxeurs","rating":5,"content":"Très confortable","reviewer_name":"Mélanie G."},{"date":"February 27, 2024","title":"Supporte bien les couilles","rating":5,"content":"Filtre les pets aussi.","reviewer_name":"Paul S."},{"date":"November 24, 2023","title":"Commentaires sur les boxeurs","rating":5,"content":"Boxeurs courts trop petits","reviewer_name":"Gérald F."},{"date":"February 22, 2022","tags":["Fabric","Comfort"],"title":"Confortable","rating":5,"content":"Confortable","reviewer_name":"Caroline"},{"date":"November 17, 2021","title":"PAS LA BONNE GRANDEUR","rating":3,"content":"PAS LA BONNE GRANDEUR","reviewer_name":"Normand"},{"date":"November 25, 2023","title":"parfait j,aime","rating":5,"content":"parfait j,aime","reviewer_name":"Micheline B."},{"date":"October 19, 2021","title":"BON PRODUIT","rating":5,"content":"BON PRODUIT","reviewer_name":"Gilles"},{"date":"October 19, 2021","title":"excellent","rating":5,"content":"excellent","reviewer_name":"Sylvain"},{"date":"August 17, 2023","title":"Bon produit!","rating":5,"content":"Exactement ce que je cherchais. \n\nPetit point négatif: Était plus cher que sur Amazon, mais je préférais encourager une marque du Québec!","reviewer_name":"Marc-Antoine R."},{"date":"January 13, 2024","tags":["Value"],"title":"Bon achat","rating":4,"content":"Bon achat","reviewer_name":"Henriette L."},{"date":"January 23, 2026","title":"Beaux boxers","rating":4,"content":"Très beau produit. Toutefois, un peu court sur la taille. Je les ai retournés.","reviewer_name":"Nicole V."}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/men-underwear/boxers-briefs/performance-underwear/6-classic-boxer-briefs-recycled-polyester-3-pack--3694-321111?colourId=49","deep_research":{"dimensions":{"recycled_polyester_microfibre_feel":{"title":"How recycled polyester microfibre feels and breathes","entries":{"12_elastane_recovery":"With 12% elastane blended into the microfibre, the briefs deliver the high-stretch, shape-memory feel of performance activewear: they move with the body without restricting, and after hours of wear they snap back to their original shape rather than developing the bagging or sag that can happen with lower-spandex cotton briefs.","quick_dry_after_washing":"The low water absorption of the polyester microfibre means these briefs need far less time to dry after machine washing or sink rinsing — a practical advantage for travelers or gym-goers who need their gear dry overnight.","moisture_wicking_under_load":"Polyester microfibre's moisture-wicking action actively pulls sweat off the skin and diffuses it to the surface for rapid evaporation, which keeps these briefs feeling drier and lighter than cotton equivalents during a warm commute or an active day — the fabric is not absorbent, so it won't hold onto the dampness that causes chafing."},"entry_quotes":{"quick_dry_after_washing":[{"url":"https://underweariq.com/fabric-iq/microfiber-vs-cotton-underwear/","quote":"Plus, microfiber’s tight weave creates a lightweight barrier that doesn’t absorb much water, so your underwear dries faster after washing or sweating."}],"moisture_wicking_under_load":[{"url":"https://underweariq.com/fabric-iq/microfiber-vs-cotton-underwear/","quote":"Microfiber is also engineered to wick moisture away from the skin quickly, keeping you dry and cool."}]},"entry_sources":{"quick_dry_after_washing":["https://underweariq.com/fabric-iq/microfiber-vs-cotton-underwear/"],"moisture_wicking_under_load":["https://underweariq.com/fabric-iq/microfiber-vs-cotton-underwear/"]}},"calvin_klein_recycled_polyester_value":{"title":"Value compared to other Calvin Klein and competitor packs","entries":{"fast_drying_property_cuts_ongoing_cost":"rPET dries 2–3× faster than cotton, reducing the need for multiple packs to rotate through the laundry cycle and shaving energy usage — a small but real recurring saving that stacks over the garment’s multi-year life.","direct_comparison_to_calvin_klein_cotton_stretch":"The brand’s own bestselling reed-stretch cotton 3-pack carries a similar MSRP of $52.50 USD (~$73 CAD), yet the recycled polyester version avoids the 2–3% post-wash shrinkage typical of cotton and adds moisture-wicking performance, meaning for the same or less money you get a longer-lasting, better-behaving fabric."},"entry_quotes":{"fast_drying_property_cuts_ongoing_cost":[{"url":"https://qianshiwear.com/recycled-polyester-vs-organic-cotton-2026/","quote":"rPET dries 2–3× faster, reducing energy use for customers and lowering return risk from “stretched after washing” complaints."}],"direct_comparison_to_calvin_klein_cotton_stretch":[{"url":"https://www.calvinklein.us/en/cotton-stretch-3-pack-boxer-brief/NB2616.html","quote":"$52.50 $36.75 30% off"}]},"entry_sources":{"fast_drying_property_cuts_ongoing_cost":["https://qianshiwear.com/recycled-polyester-vs-organic-cotton-2026/"],"direct_comparison_to_calvin_klein_cotton_stretch":["https://www.calvinklein.us/en/cotton-stretch-3-pack-boxer-brief/NB2616.html"]}},"care_and_longevity_polyester_elastane":{"title":"How to care for recycled polyester boxer briefs","entries":{"elastane_degradation_above_40_c":"The 12% elastane that gives these boxer briefs their shape-retaining stretch loses its recovery capacity when washed above 40°C, with damage becoming permanent after repeated hot cycles — this is why the care label prohibits ironing and why tumble drying on low heat is acceptable but air drying preserves elasticity longer.","mesh_laundry_bag_reduces_friction":"Putting these boxer briefs in a mesh laundry bag isolates them from zippers and rough fabrics that can snag the knit and abrade the elastane surface, preventing pilling and preserving the microfibre's smooth handfeel.","air_drying_maximizes_elastane_life":"Even though the garment is labeled tumble-dryable, tumble dryers operate at 50–70°C on low heat, which stresses elastane; air drying flat or hanging in shade extends the waistband and fabric recovery far longer.","fabric_softener_blocks_moisture_wicking":"Fabric softeners work by depositing a waxy layer that clogs the microfiber channels responsible for moisture-wicking, and after 10–15 washes, recycled polyester can lose most of its sweat-management performance — skipping softener entirely keeps the wicking technology functional.","12_elastane_content_and_heat_sensitivity":"With 12% elastane — a relatively high concentration for poly-blend underwear — these boxer briefs achieve the 'increased stretch' and shape retention that defines their classic fit, but that same high elastane content makes them more vulnerable to heat damage than low-elastane garments, so careful wash temperature management is disproportionately beneficial.","chlorine_bleach_vs_polyurethane_elastane":"The 'non-chlorine bleach only' instruction protects the polyurethane structure of the elastane; chlorine bleach causes brittleness and yellowing in spandex fibers, so oxygen-based bleaches are the safe option for spot treatment or whitening.","white_vinegar_rinse_for_buildup_and_odor":"A periodic rinse with half a cup of white vinegar every five to six washes clears residual detergent and body oils that can clog moisture-wicking channels and trap odor, without harming the fabric."},"entry_quotes":{"elastane_degradation_above_40_c":[{"url":"https://textiletuts.com/how-to-wash-activewear/","quote":"elastane fibers degrade above 40°C causing permanent stretch loss"},{"url":"https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide","quote":"At 40°C the elastane begins losing memory after 10 to 15 cycles."}],"mesh_laundry_bag_reduces_friction":[{"url":"https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide","quote":"What actually matters more is using a mesh laundry bag. A $6 mesh bag from Big W or Coles isolates each piece from contact with zips, hooks and rough fabrics in the load."}],"air_drying_maximizes_elastane_life":[{"url":"https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide","quote":"Tumble dryers run at 50 to 70°C on low heat and 80 to 90°C on high heat. Either setting damages elastane."},{"url":"https://textiletuts.com/how-to-wash-activewear/","quote":"always air dry flat or hang dry to preserve the elastane content that gives the garment its shape and recovery."}],"fabric_softener_blocks_moisture_wicking":[{"url":"https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide","quote":"After 10 to 15 washes with softener, recycled polyester loses most of its sweat-management performance."}],"12_elastane_content_and_heat_sensitivity":[{"url":"https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide","quote":"Add elastane to the mix and you also have to worry about the elastic memory breaking down at high temperatures."}],"chlorine_bleach_vs_polyurethane_elastane":[{"url":"https://tanithread.com/how-to-wash-spandex-garments/","quote":"Never use chlorine bleach, as it causes irreversible damage to the polyurethane structure, leading to brittleness, fiber breakage, and yellowing."}],"white_vinegar_rinse_for_buildup_and_odor":[{"url":"https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide","quote":"Half a cup of white vinegar in the rinse cycle every 5 or 6 washes resets any residual buildup and removes lingering sweat odour without coating the fibres."}]},"entry_sources":{"elastane_degradation_above_40_c":["https://textiletuts.com/how-to-wash-activewear/","https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide"],"mesh_laundry_bag_reduces_friction":["https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide"],"air_drying_maximizes_elastane_life":["https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide","https://textiletuts.com/how-to-wash-activewear/"],"fabric_softener_blocks_moisture_wicking":["https://textiletuts.com/how-to-wash-activewear/","https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide"],"12_elastane_content_and_heat_sensitivity":["https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide"],"chlorine_bleach_vs_polyurethane_elastane":["https://tanithread.com/how-to-wash-spandex-garments/"],"white_vinegar_rinse_for_buildup_and_odor":["https://freedomactivewear.com.au/blogs/news/how-to-wash-recycled-activewear-care-guide"]}},"classic_fit_vs_other_calvin_klein_cuts":{"title":"How the classic 6 fit compares to other Calvin Klein styles","entries":{"6_inch_inseam_vs_ck_trunk":"The 6-inch inseam of this classic boxer brief provides full mid-thigh coverage that prevents ride-up, a practical departure from CK's low-rise trunk, which uses a significantly shorter leg to create a more streamlined, modern silhouette—making this the better choice for all-day stability under jeans or work trousers.","microfibre_classic_fit_vs_cotton_classic":"Unlike the cotton-rich Calvin Klein classics that are known to run large and benefit from sizing down for a locked-in feel, this recycled polyester/elastane version follows the brand’s synthetic-line pattern: it fits true to size with a compressive, snug stretch that holds its shape—so your regular waist size delivers the intended supportive contour without any roominess surprise."},"entry_quotes":{"6_inch_inseam_vs_ck_trunk":[{"url":"https://www.joybuy.nl/blog/calvin-klein-boxers-brief-vs-trunk-guide/8hK8osb0","quote":"Calvin Klein Trunk: The Trunk is a more modern variation with shorter legs and a lower waist (low rise). This model creates a sleeker silhouette and is popular with men who prefer a less-covered, more contemporary fit."}],"microfibre_classic_fit_vs_cotton_classic":[{"url":"https://mysimplesurface.com/calvin-klein-men-boxer-briefs-what-most-people-get-wrong-10nm","quote":"Microfiber/Steel: These are compressive. They fit true to size, but they are snug."}]},"entry_sources":{"6_inch_inseam_vs_ck_trunk":["https://www.joybuy.nl/blog/calvin-klein-boxers-brief-vs-trunk-guide/8hK8osb0"],"microfibre_classic_fit_vs_cotton_classic":["https://mysimplesurface.com/calvin-klein-men-boxer-briefs-what-most-people-get-wrong-10nm"]}},"recycled_polyester_sustainability_credentials":{"title":"Sustainability of the recycled polyester fabric","entries":{"performance_parity":"Mechanical recycling reprocesses PET without altering its polymer structure, so the recycled polyester in these briefs delivers the same inherent moisture-wicking, durability, and shape retention as virgin polyester — the moisture-wicking technology claimed on the product page is not diminished by the recycled content.","carbon_footprint_reduction":"Using the latest Ecoinvent 3.11 data, mechanically recycled polyester has a cradle-to-gate carbon footprint of 0.68–1.56 kg CO2e per kg, compared to 3.12 kg for virgin PET — a potential reduction of up to 78% for the fiber portion, meaning the 88% recycled content in these briefs translates to a significantly lower climate impact than a conventional polyester equivalent.","post_consumer_bottle_feedstock":"Roughly 99% of the global recycled polyester supply is made from post-consumer plastic bottles rather than textile waste, so the recycled fiber in these briefs almost certainly diverts beverage bottles from landfills or incineration, giving a second life to a high-volume waste stream."},"entry_quotes":{"carbon_footprint_reduction":[{"url":"https://cyrcid.com/en/blog/the-real-footprint-of-recycled-polyester","quote":"Using the EU's Environmental Footprint 3.1 dataset, virgin PET sits around 3.12 kg CO₂e per kilogram, while mechanically recycled PET ranges from about 0.68 to 1.56 kg CO₂e per kilogram."}],"post_consumer_bottle_feedstock":[{"url":"https://cyrcid.com/en/blog/the-real-footprint-of-recycled-polyester","quote":"According to Textile Exchange's Materials Market Report, roughly 99 percent of recycled polyester is bottle-sourced, and less than 1 percent of the total fibre market comes from genuine textile-to-textile recycling."}]},"entry_sources":{"carbon_footprint_reduction":["https://www.carbonfact.com/blog/knowledge/polyester-carbon-footprint?hs_amp=true","https://cyrcid.com/en/blog/the-real-footprint-of-recycled-polyester"],"post_consumer_bottle_feedstock":["https://cyrcid.com/en/blog/the-real-footprint-of-recycled-polyester"]}}}},"handle":"6-classic-boxer-briefs-recycled-polyester-3-pack-3694-321111","storefront_path":"/en/men-underwear/boxers-briefs/performance-underwear/6-classic-boxer-briefs-recycled-polyester-3-pack--3694-321111","storefront_url":"https://ai.simons.ca/en/men-underwear/boxers-briefs/performance-underwear/6-classic-boxer-briefs-recycled-polyester-3-pack--3694-321111"}}