Under Armour Boys Instinct Shorts 100% Polyester Imported Loose: Fuller cut for complete comfort. Smooth, lightweight, fast-drying fabric for superior performance UPF 30+ protects your skin from the sun's harmful rays Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes Encased elastic waistband with internal dual-color drawcord Inseam: YMD 9" (+/- 1.5" per size)