PERFORMANCE DESIGN The Under Armour(R) Boys' Gameday Vanish Knicker Baseball Pants are designed with a lightweight, durable, performance fabric built for gameday comfort Micro-thread technology in the fabric dries faster, won't cling and stretches without absorbing sweat Innovative translucent print adds durability while material wicks sweat Wide waistband with belt loops, working fly, and interior silicone print help keep your jersey in place? Features open back pockets 100% Polyester Inseam: 17.25" youth medium (+/- 1.5" per size) Style #: 1367363