ORTIV 8 Mens Snow Boots Insulated Waterproof Heavy Duty Thermolite Boots SZ 13 Fabric type: TPR PUSole material : TPR：Thermo-Plastic-Rubber MaterialShaft height : 9.84 InchesShaft circumference : 13 InchesPremium material & convenience: Genuine fabric upper is for water & wind resistance. The reflective decorative line increased safety at night. Easy pull-on with both a drawstring and ankle strap. Fitting tips: Run small, and please order a half size up. warming systems: (1) Warm cushion faux fur insole offers all-day support & comfort. (2) 200g high-quality insulation keeps your feet warm and dry even when the temperature is -25F. (3) An insulated warm comfy lining provides better protection in bad weather.Waterproof & protection: Seam-sealed, waterproof TPR outsole keeps your feet dry in wet conditions. Snow boots with a protective toe cap, the non-slip outsole is flexible in response to various outdoor terrain.Perfect for outdoor & indoor: Designed for both daily life in winter and outdoor sports like skiing, snowmobiling, ice fishing, outdoor party, and so on.What you get: our worry-free warranty and friendly customer service, NORTIV 8 is an American brand that aims at providing high-quality outdoor shoes. Heel height: 1 in; Shaft: 9.45 in; Boot opening: 17.52 in.