About thisitem These Starter Boys' Nylon Track Pants are ideal for active children. They have an elastic waistband that makes them easy to slip on, plus an interior drawstring for when they need to be securely held in place. These boys' track pants are made from 100 percent polyester material that is machine washable for easy cleaning. With a mesh interior lining, they have a breathable and light feel that makes them useful for running and other rigorous activities. These pants make a versatile and comfortable addition to a boy's wardrobe.