AERO|TECH|DESIGNS Men's Competition Triathlon Shorts Nylon / Lycra Machine Wash, Air Dry Performance-driven tri shorts designed for all three phases of your event Lightweight polyester fleece liner wicks away moisture Adult Sizes: Small (28-30 waist) Medium (32-34 waist) Large (36 waist) X-Large (38 waist) XX-Large (42-44 waist) 3XL (46-48 waist) 4XL (50-52 waist) Small side pocket, perfect for stashing mid-race nutrition Great muscle compression