Rubber and Neoprene Imported EXTRA LAYERS OF PROTECTION - provide unsurpassed warmth on the coldest days! 5.5 mm bootie; 2.5 mm DENSOPRENE XD foam (extreme density) for extra protection; 2 mm airmesh; 2 mm warm fleece lining. 6 layers of protection + EVA cold-blocking midsole = 7 layers. Comfort Range of -50° to 65° F DS1 PREMIUM OUTSOLE - two-piece sole with a high-traction moulded-rubber outsole and comfortable cold-blocking EVA-sponge midsole designed for outdoor use. The outsole is made of natural rubber and features an inner set lugs of designed for maximum any-angle grip and flex, while the outer lugs are designed for maximum lateral/medial support and wear. Lugs design releases and minimizes build up of mud and debris on the outsole during use. HYDROKOTE WATER-REPELLENT- All DRYSHOD boots are built to be 100% waterproof from top to bottom. Water rolls off the nylon outer and dries in seconds keeping the exterior textile from icing up and from retaining water in the fibers in wet conditions GENUINE NATURAL RUBBER OVERLAYS - This protective design starts with only genuine hand-laid rubber- No PVC, PU, or TPR; DS1 moulded high traction outsole for all terrains EASY-ON/EASY-OFF - 4-way stretch breathable airmesh lining and generous heel kick for easy-on/easy-off convenience; roll-down calf pipe for a superior fit and comfortable wear; sturdy pull tabs for easy-on/easy-off convenience and safety Dryshod Ladies Arctic Storm Hi Boots Extreme Conditions Winter Boot Layers of warmth in a slim profile hug your feet and keep you warm and comfortable all day. Features: 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 All Dryshod Neoprene Rubber Boots have these Features: 100% WATERPROOF Designed and built to be 100% waterproof from top to bottom. 5 mm DENSOPRENE(R) FOAM INSULATED BOOTIE Keeps out the cold & wet. Keeps in the warm & dry. HYDROKOTE(R) WATER-REPELLENT No more soggy boots. Water rolls off and dries in seconds. 4-WAY STRETCH BREATHABLE AIRMESH LINING Moves the air to keep your feet dry and comfortable. EASY-ON/EASY-OFF 4-way stretch materials 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. No PVC, PU, or TPR. SUPERIOR STABILITY Reinforced tuck board with rigid shanks for added stability. SUPERIOR FIT AND COMFORT Slipper-soft comfort and sized to athletic-shoe standards. CONVENIENT BACK-PULL TABS Sturdy pull tabs for easy-on/easy-off convenience and safety.