Pennant Under Armour Black Boys Sweatpants. Boys' sweatpants in a loose fit made of durable fabric that is soft on the surface and the inner soft surface will keep you warm. The material used wicks moisture and dries faster. Elastic waistband with an outer shoelace to tighten. Tapered hems. Pockets with resasible zippers. Size YMD (leg length from crotch): 63.5 cm (+/- 7.5 cm per size).Material: 100% polyester