16" Boots with MS-1 molded outsole for maximum protection and fleece lining for added warmth and comfort. Features 5 mm CR flex-foam bootie with 4-way stretch nylon, steel toe for impact protection, 2 mm thermal foam underlay added to the instep area, EVA molded midsole with contoured footbed, etc® sock liner, and added toe protection with wrap-up bumper. Double reinforcements on the instep, heel and Achilles. 100% Waterproof, lightweight and flexible. Meets ASTM F2413-11 M I/75 C/75 EH.