Amazon.com | Dryshod Mens Nosho Ultra Hunt Extreme 。Extreme Cold-Conditions Hunting Boot. Layers of warmth provide all day comfort while hunting. DS1 molded outsole outer and inner grip 6 layers of protection plus EVA cold-blocking midsole = 7 layers 5.5 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 protection! Removable molded EVA sockliner Double achilles heel and instep reinforcement for comfort and protection Nylon shank 100% Waterproof HYDROKOTE® Water Repellent Superior Fit and Comfort Easy-On/Easy-Off