Rugged, snow- and ice-treading durability for the most punishing winter conditions. CR flex-foam booties with a four-way stretch nylon overlays for 100% waterproof performance thats lighweight and flexible for easy-walking comfort. Cold-blocking 2mm thermal foam underlays in the instep areas preserve body heat. Breathable, moisture-wicking Airmesh linings for high-activity, all-day dryness. Step-cushioning EVA midsoles with ergonomic, contoured footbeds. Calf-hugging stretch-fit bindings seal in warmth. Double reinforcement in the insteps, heels and Achilles areas for long-lasting wear resistance. Aggressive MS-1 outsoles provide all-terrain stability and traction. Toe caps with wrap-up bumpers. Imported. Comfort range: -40 to 60 Avg. wt: 4.70 lbs./pair. Ht: 15. Color: Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Boots.