Dryshod Men's Dungho Max Gusset High BlackThe Dryshod Men's DungHo Max Gusset Cold Conditions Barnyard Boot is as robust as the original DungHo, but with additional features including a warm fleece lining and an adjustable gusset to ensure warmth and comfort. DS1 molded outsole for grip on rugged terrain 6 layers of insulating warmth and protection EVA cold blocking midsole 5. 5 mm bootie; 2. 5 mm DENSOPRENE XD foam (extreme density) for extra protection; 2 mm airmesh; 2 mm warm fleece lining