These Grey Old Navy Active Wear Boys Size Large fall clothing long pants jogging pants are perfect for active young boys. Made of polyester fleece, they feature a drawstring closure and an elastic waist for a comfortable fit. The tapered leg style and jogger design make them both stylish and functional for running and jogging activities. With pockets for convenience and machine washable care instructions, these pants are ideal for boys who love to stay active in colder seasons like winter and fall.