2-piece size sweat-pants and t-shirt set. Long-sleeved, printed T-shirt in combed cotton. When you open the zipper of the pocket on the T-shirt, the monster print comes out. And complementing the set are medium-heavy, comfortable sweat-pants made of cotton fabric with a low crotch. Upper: 65% cotton, 30% polyester, 5% elastane. Bottom: 92% cotton, 8% elastane.