They will never be more in love with the snow when they're wearing the Kamik® Kids' Rocket Waterproof Winter Boots. Including a waterproof nylon upper, these boots are durable while offering a synthetic waterproof shell for a lightweight, flexible fit. The removable Zylex® liner protects in harsh conditions and the adjustable snow collar with Kamik® easy grab lace lock gives a secure, comfortable fit. Gear up and head outside to play in the Rocket boots. FEATURES: Waterproof, 600D nylon upper provides durability for all day adventuring Synthetic RubberHe shell is waterproof, lightweight and flexible Removable, recyclable 8mm Zylex® liner keeps them protected from harsh weather Moisture wicking lining keeps odors at bay, leaving their feet fresh and comfortable Adjustable snow collar with Kamik®'s easy grab lace lock for an adjustable, secure fit Midfoot VELCRO® brand strap that's adjustable and glove-friendly Reflective patch below the pant line keeps them visible SNOWAVE synthetic RubberHe outsole grips snow and ice for ultimate traction control Comfort rated down to -40°F,-40°C Weight: 12 oz. Shaft height: 9.5" Style: NK4125 VELCRO® brand is a registered trademark of Velcro BVBA, used with permission.