The Merrell Boy's Moab FST Low A/C Waterproof Hiking Shoes are breathable, comfortable, and lightweight for all day wear. They are made with synthetic materials with mesh uppers with a non-marking outsole with M Select™ GRIP for superior traction. The M Select™ DRY bootie waterproof construction helps to keep feet dry while remaining breathable. They also have an alternative closure for easy on/of adjustability. Your kids will love the Merrell Boy's Moab FST Low A/C Waterproof Hiking Shoes.