Moisture management:Keep dry during your jog (and afterwards), with this perspiration-wicking material!User comfort:The offset seams help restrict chafing.Ecodesign:Product made of 70% recycled polyester to ensure optimal product use YOU CAN'T RUN WITHOUT BREATHING: Your perspiration is absorbed by the synthetic fabric and dries very quickly so that you stay dry throughout your run. AND WHAT ABOUT THE SEAMS?: These boxers have offset seams at the crotch. No seams in this area to avoid irritation. However, for those with sensitive thighs, we recommend models without a rear seam: 900 perf running boxers (seamless technology) https://www.decathlon.fr/p/boxer-de-running-homme-dry-perf-900/_/R-p-334341?mc=8677528 or Fitness boxers (cotton) https://www.decathlon.fr/p/lot-x3-boxer-fitness-homme-500/_/R-p-335567?mc=8667431
