Train hard, not hot. Powered by Everlux, the Wunder Train collection is highly breathable and quickly wicks sweat so you feel less sweaty during (and after) your workout. Designed for Training. Waistband drawcord keeps your shorts in place so you don't have to pull them up. Hidden pocket in the waistband has space for your card and keys. Our Fastest-Drying, EverluxTM Fabric. Body: 77% Nylon, 23% Lycra elastane.