Let them play a little longer in winter-ready boots featuring seam-sealed waterproof construction, and a rubber sole for traction.Specs UPPER: Waterproof nylon 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. BOOT SHAFT CIRCUMFERENCE: N/A SOREL rated: -40° Fahrenheit / -40° Celsius.