Powerline boots have an extra-wide shank for climbing stability and comfort features for long work days. Features Waterproof Pro™ construction with impermeable leathers for long-lasting protection. Especially designed for lineman and loggers.  Waterproof Pro™ construction with waterproof full-grain leather 400g Thinsulate™ Ultra insulation 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 traction lugs with debris-releasing tread Safety toe is ASTM F2413-11 M/1/75 C/75 EH rated 11" shaft Color: Oily Distressed Brown Ariat Powerline H2O 400g Pull On Boot 10018569