adidas Essentials Joggers Tracksuit for Kids, Black JC9745. This adidas tracksuit for kids is perfect for everyday wear. The sweatshirt and pants are made of cotton and polyester. The tracksuit is cut in a standard fit. Sweatshirts up to size 86 cm feature snap closures on the shoulder. The pants have an elastic waistband with a drawstring for adjustment. The legs are finished with elastic cuffs. Cargo pockets. Material: 70% cotton, 30% polyester