Design: Waterproof nylon upper for reliable protection during outdoor activities Waterproof gusset tongue keeps debris out of the boot Faux fur snow collar for added comfort Bungee lacing system with Easy-Grab Lace Lock for kid-friendly on and off In-Shoe Comfort: Foam and fleece insulation to keep your kiddo's feet warm and cozy Moisture wicking fleece lining for comfortable all-day wear Durability & Traction: Waterproof and recyclable lightweight synthetic RubberHe shell Proprietary technology offers traction and increased flexibility ICEWAVE outsole with multi-directional treads for stability in snowy conditions Additional Details: Comfortable down to -40degF Vegan-friendly Height: 10 in. Weight: 1.62 lbs (pair) Circumference: 10 1/2 inches (size 12)