Upper: Waterproof treated genuine leather and suede upper fabric Upper Details: Lace up with D-rings, gusseted tongue with padded collar and quilted detail eyestay Waterproofing: 5K DryFlight® technology for good waterproofing Weather Rating: WarmFlight® x3 technology for extra warm and breathable insulation Insole: Faux fur lining with squishy TPE insole for all day comfort Outsole: Welt construction with cushioned foam midsole and updated aggressive Roxy Alpine TPR lug bottom Closure:Hiker inspired laces Heel Height: 38mm Composition Upper: 98% Leather/ 2% Metal, Lining: 100% Polyester, Outsole: 100% Rubber