Sparx Men's Active Triathlon Short Tri Cycling Short Men Tri ShortDrawstring closure These Triathlon shorts made from High end 80% Polyamide 20% Elastane Italian technical fabric which dries very quickly , keeps you comfortable. Comes with elastic waistband and the drawstring keep the shorts in place. Technical Compression fabric reduce muscle vibration, a major cause of muscle fatigue. High End Italian Fabric had 4 way stretch directions which makes it incredibly comfortable fit like a second skin no chafing or