DryShod NOSHO Cold-weather Hunting Boots put nearly a half-inch of heat-trapping materials between you and the bitter cold. It starts with a 5.5mm neoprene bootie that provides 6 layers of insulating warmth for extra protection from arctic winds. The 5.5mm bootie includes a layer of 2.5mm DENSOPRENE XD extreme-density foam, 2mm airmesh lining and 2mm of warm polar fleece that'll swaddle your feet in warmth in frigid temps. Add in a cold-blocking EVA sponge midsole for underfoot warmth, and you've got all-around protection from the elements. This model features an adjustable gusset style that will provide even more comfort for those with larger calf sizes. Premium craftsmanship. Outstanding performance. NOSHO doesn't provide JUST outstanding warmth. They're also incredibly well-made. There's no cheap PVC or polyurethane in this boot. Instead, the foot and ankle areas feature hand-laid, genuine rubber overlays. The DS-1 molded rubber outsole features an inner set of lugs for maximum grip and flex at any angle. And it has a wide base in the forefoot and heel area for greater contact on icy terrain. A nylon shank and double achilles heel and instep reinforcements provide plenty of underfoot support. A roll-down calf and back-pull tabs make them easier to get on and off. Together, these features make DryShod Boots inchThe World's Most Wearable Rubber Boots. inch 100% waterproof design from top to bottom 6 layers of protection + EVA cold-blocking midsole = 7 layers of insulating warmth Removable molded EVA sockliner Double achilles heel and instep reinforcement for comfort and protection Cold-blocking EVA-sponge midsole HYDROKOTE water repellency rolls off and dries in seconds High-traction DS1 molded rubber outsole provides outer and inner grip 2 inch taller than regular model for added protection Fits larger calves for optimum comfort and protection Extra room to accommodate layers of clothing tucked into the boot Rig