The Dryshod NoSho Ultra Hunt Insulated Hunting Boots provide extreme warmth for the extreme hunter. These boots feature 6 layers of protection plus EVA cold-blocking midsole, 7 layers total.FeaturesDS1 molded outsole - outer and inner grip5.5 mm bootie 2.5 mm DENSOPRENE XD foam (extreme density) for extra protection 2 mm airmesh, 2 mm warm fleece lining, 11 mm of insulating warmth and protectionRemovable molded EVA socklinerDouble achilles heel and instep reinforcement for comfort and protectionNylon shankComfort range -50AdegF to 65AdegFEVA cold-blocking midsole