The Snowburban II Ultradry is an insulated boot designed for maximum winter warmth. Embrace the elements with 400g of insulation, a waterproof membrane, and aggressive traction. MENS SNOWBURBAN II ULTRADRY The Snowburban II UltraDry men's boot delivers insulated warmth and reliable traction in challenging winter conditions. A Nordic Rover outsole with Vasque ColdHold Compound ensures solid footing on wet and icy surfaces. 400g of 3M Thinsulate insulation and an UltraDry waterproof membrane keep feet warm and dry during the coldest winter months. PRODUCT DETAILS TECH SPECS TECHNICAL SPECIFICATIONS-SNOWBURBAN II ULTRADRY STYLE 7808 Fabric / Material:Waterproof Textile Waterproof:UltraDry Waterproofing SystemInsulation400g 3M Thinsulate Ultra Footbed:Dual Density EVA Midsole:Molded EVA and TPU Shank Outsole:Vasque Nordic Rover with ColdHold Compound Last:Perpetuum Weight:3 lbs. 6 oz., (1540 g) Leather Type:PU Coated, Waterproof Leather Weight:1.6-1.8mm