The Woody Sport Tall Boot features a 100% waterproof, 100% MUCKPROOF insulated upper that is built to keep you dry and comfortable all day long. This outsole provides exceptional traction on various terrain, whether it be mud, slush, or snow, you can confidently wear this boot no matter the elements. Coupled with our warm lining and a rugged rubber outsole, this boot provides warmth and comfort with superior traction for all your outdoor activities. Lightweight EVA midsole for added comfort Warm Lining: Soft, Insulation, Light-weight, Performance Materials for Warmth and Comfort 5mm Neoprene Bootie for Comfort and Performance bioDEWIX(TM) Dry Footbed Insert Topcover with NZYM(TM) for Odor Control and Moisture Management Rugged Rubber Outsole for Traction 100% Waterproof, 100% MUCKPROOF Stretch-fit topline binding snugs calf to keep warmth in and cold out