Arctic Storm Women's Mid Black ARS-WM-BK Extreme Conditions Winter Boot Layers of warmth in a slim profile hug your feet and keep you warm and comfortable all day. 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 Comfort Range: -50F to 65F All Dryshod Footwear features: 100% Waterproof 5 mm Densoprene foam insulated bootie Hydrokote water-repellent 4-way stretch breathable airmesh lining Easy-on/easy-off Roll-down calf pipe Genuine natural-rubber overlays Superior stability Superior fit and comfort Convenient back-pull tabs Sold by NYoutftr 1588 Main Street Apalachin, New York 13732