KAMIK ROCKET -40°F WATERPROOF BOOTSThe waterproof nylon and synthetic nubuck upper handle wet, slushy snow with ease, while the moisture wicking felt liner keeps little feet warm and dry all day long. NiteRays reflective technology adds visibility for safety in low light, and multi directional treads provide reliable traction for every snow packed step or sprint to the sled hill. Key Features: Easy Grip Lace Lock & Hook and Loop Strap Waterproof Upper (Nylon & Synthetic Nubuck)