ULTIMATE TRACTION Genuine direct-attach Vibram Hellcat Arctic Grip outsole with oversized grip pods for extra-steady footing on ice,and snow. EXTRA LAYERS OF PROTECTION - Super cold-blocking bootie construction comprised of extra Densoprene insulating foam, laminated with 1.5mm breathable airmesh + non-pilling fleece inner lining. Full-foot 2mm Densoprene sub-sole for added cold-blocking protection from the ground up. 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 Reinforced heel, toe, ankle and instep. Extra-large 3M reflective side-stripe provides long-range visibility to on-coming traffic in low light or night-time conditions.