Velcro straps, fully-waterproof construction, and extra grip sole make this always-ready winter boot perfect for your little one to take on their snowy day ahead.Specs UPPER: Waterproof suede upper. Seam-sealed waterproof construction. INSULATION: Removable 9 mm washable recycled felt inner boot with Sherpa Pile snow cuff. MIDSOLE: 2.5 mm bonded felt frost plug. OUTSOLE: Handcrafted waterproof vulcanized rubber shell with Sorel aero-trac non-loading outsole. HEEL HEIGHT: 3/4 in. PLATFORM HEIGHT: 1/2 in. BOOT SHAFT HEIGHT: 8 1/2 in. SOREL rated: -40° Fahrenheit / -40° Celsius.