No distractions, no sweat. Powered by slick and supportive Luxtreme fabric, these snug-fitting, quick-drying boxers are designed with high-sweat performance in mind. Designed for Training. Bonded hem around thighs prevents ride-up. Ergonomic pouch is shaped for optimal room and support. Sweat-Wicking, Light LuxtremeTM Fabric. Pouch: 82% Polyester, 18% Elastane. Body: 76% Nylon, 24% Lycra elastane.