2-piece boys' set. A printed cotton t-shirt in purple and black, designed with two different fabrics, and a mid-weight, harem-style, low-crotch sweatpants made from recycled, reclaimed fabric. The pants have a lightning print on one leg. The waistband is both elastic and has a drawstring. All Denokids products are manufactured with child safety in mind and have passed through needle detectors. 100% Cotton.