Kenetrek's fitted HUNTING GAITER'S are designed to go over insulated pac boots, but they will wrap securely around any boot. The wide, full length Velcro closure opens with ease from the front and stays closed with the secure snap at the bottom. Made of durable nylon and polyester. Waterproof - breathable Storm Blocker membrane to repel moisture yet allow sweat vapor to escape. This gaiter is made to be durable and is virtually indestructible.