Under Armour Rival Solid Jogger-Blk. Boys' tracksuit bottoms in fitted fit made of durable, breathable and very pleasant fleece material with a large proportion of cotton. The inner cut surface will warm you up perfectly. Tapered cut of hems with ribbed cuffs. Side pockets. Size YM (leg length from crotch): 59.7cm (+/- 7.6cm per size). Cut: Fitted. Material: 80% Cotton, 20% Polyester