Jumping and rolling in the snow is comfy and warm with the Kamik(R) Rocket winter boot. With a waterproof nylon upper, the Rocket offers a synthetic waterproof shell for lightweight flexibility and comfort as they play. The adjustable snow collar and Easy Grab Lace Lock system holds a secure fit, so no snow or moisture enters, and the rubber outsole provides secure traction on both snow and ice. Send them out this winter in the Rocket boot. FEATURES: Seam-sealed waterproof construction 600 Denier nylon and synthetic nubuck upper Waterproof and lightweight synthetic rubber shell Adjustable snow collar with Kamik's(R) Easy Grab Lace Lock Removable 8mm Zylex(R) liner (97 percent recycled content) Moisture-wicking lining for lasting dryness Glove-friendly adjustable midfoot Velcro strap NiteRays reflective patches for safety Kamik's(R) SNOWAVE synthetic, PVC-free RubberHe outsole for superior traction Comfort rating: Down to -40degF Height: 9.5 in Weight (pair): 1.68 lbs