Dryshod Men's Arctic Storm Winter Waterproof Mid Top Pull On Boots - Extreme-Cold Conditions Winter Boot. Extra layers of protection provide unsurpassed warmth on the coldest days! DS1 molded outsole – outer and inner grip 6 layers of protection plus EVA cold-blocking midsole = 7 layers 5.5mm bootie 2.5mm DENSOPRENE XD foam (extreme density) for extra protection 2mm airmesh 2mm warm fleece lining = 11mm of insulating warmth and protection! Removable molded EVA sockliner Double achilles heel and instep reinforcement for comfort and protection Nylon shank 100% Waterproof Style: ARS-MM