The JK Silverton Boot is a fully waterproof and insulated winter boot for kids. It boasts a HELLY TECH® waterproof membrane, and a warm PrimaLoft® insulation whilst the drawstring closure makes for easy on and off, and keeps the snow at bay. The upper is made of hydrophobic synthetic leather and textile, sitting on a well-cushioned midsole and rugged sole. Features: -A waterproof and warm insulated kids' winter boot -HELLY TECH® WATERPROOF -HH® Quick Dry -HH® Seam-Shield -HH® Pro Guard - -HH® Hover-Stride -HH® Comfort Insole -HH® Max-Grip -HH® Power-Stride -PrimaLoft® Eco -100% RPET Reinforcement Tape and Collar Reinforcement -100% Recycled Lining -Certified -30-40°C/-22/-40°F Thermal rating -Antimicrobial treatment to prevent odor -Faux-Shearling Lined -100% Recycled Polyester Strobel -Underfoot EVA Comfort insole insert -Insulated Lining -PrimaLoft® 400 grams -Reflective webbing -PFC-free Fabric: Upper: 60% Polyurethane, 40% Polyester Upper 2: 100% Polyester Lining: 100% Polyester Lining 2: 64% Polyester, 22% Polyurethane, 15% Polyamide Lining 3: 100% Polyester Insole: 100% EVA Outsole: 100% Rubber