Play doesn't have to end at dusk when playing in Waterbug5 winter boots, thanks to reflective NiteRays patches for after dark. These snow boots also feature a seam-sealed waterproof construction and lightweight RubberHe bottoms to keep kids on their feet. Seam-sealed waterproof nylon upper, Vegan-friendly, comfortable down to -40 F 8mm Zylex ̈ removable liner (97% recycled content), moisture wicking lining Adjustable midfoot hook and loop strap with easy-grip rubber tip, adjustable snow collar and Easy-Grab Lace Lock Waterproof and recyclable lightweight synthetic RubberHe shell Proprietary technology offers traction and increased flexibility SNOWAVE outsole with multi-directional treads for stability in snowy conditions Kids Kamik Waterbug 5 Youth