What makes UA Baseball pants the best? The materials help keep you cool, the fit is second-to-none, and the attention to detail borders on obsessive. Lightweight, durable, performance fabric built for gameday comfort. Material wicks sweat & dries really fast. Seven belt loops, working fly & double front enclosure. Dual-layer knees deliver added durability. Stretch-engineered waistband for superior mobility & insane comfort. 100% Polyester.