Especially designed for lineman and loggers. Powerline boots have an extra-wide shank for climbing stability and comfort features for long work days. Features Waterproof Pro™ construction with waterproof, impermeable leathers for durable long-lasting protection. 8" Powerline H2O Insulated Full grain Waterproof Pro leather construction 400 grams Thinsulate Ultra insulation Removable kiltie Lightly padded protective collar Goodyear leather welt Molded external heel protector Heavy duty tempered steel shank Shock absorbing PU midsole inserts Vibram outsole with exclusive Ariat design Outdoor trantion lugs with debris releasing tread Safety to is ASTM F2413-11 M/I/75 C/75 EH rated Color: Oily Distressed Brown Ariat Powerline H2O 8" Insulated Waterproof Boot 10018567