DRYSHOD Women's Arctic Storm Extreme-Cold Conditions Winter Boot Layers of warmth in a slim profile hug your feet and keep you warm and comfortable all day. BONUS FEATURES: - DS1 molded outsole - outer and inner grip; - 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 Polar fleece lining; - Adjustable Gusset Style - Customize to fit calves for optimum comfort and protection with our expandable gusset and adjustable locking strap. Extra room also accommodates layers of clothing being tucked into the boot. - Removable molded EVA sockliner; - Double achilles heel and instep reinforcement for comfort and protection; - Nylon shank; - Comfort temperature range: -50F to 65F. PREMIUM FEATURES: HYDROKOTE WATER-REPELLENT - The textile cover on the entire bootie is treated with a nano-scale hydrophobic coating that repels water and mud on contact. This keeps the textile exterior surface of the boot from icing up in freezing temps and from retaining water in the fibers in wet conditions. 5 mm DENSOPRENE FOAM INSULATED BOOTIE - Keeps out the cold and wet. Keeps in the warm and dry. 4-WAY STRETCH BREATHABLE AIRMESH LINING - Moves the air to keep your feet dry and comfortable. EASY-ON/EASY-OFF - Sturdy pull tabs and generous heel kick for easy-on/easy-off convenience. ROLL-DOWN CALF PIPE - Roll down the top to tuck in your pant leg or vent in warm temperatures. GENUINE NATURAL-RUBBER OVERLAYS - Only genuine hand-laid rubber. SUPERIOR STABILITY - Reinforced tuck board with rigid shanks for added stability.