Powerline was built to perform on jobs that demand maximum durability and aggressive traction. Incredibly stable and well-cushioned, this platform is best for utilities and heavy-duty construction. Powerline 400G Waterproof 400g Composite Toe Work Boot Product Features : 3M™ Thinsulate™ Insulation for lightweight warmth, DRYShield™ waterproof breathable construction, U-Turn® Entry System lets people with high arches easily slip on their boots, Removable Pro Performance insole for cushioning and shock absorption, Shock-absorbing inserts under heel and forefoot provide extra comfort, Oil- and slip-resistant Vibram® rubber sole with exclusive Ariat debris-releasing tread design, passes hot contact test at 300°C572°F, 90° heel, Resolable Goodyear welt construction for durabilityTempered steel shank for stability, Reinforced ExGuard™ reduces wear on the heel, Lightly padded collar, Logger height, ASTM F2413 MIC EH rated Men's Powerline Waterproof 400G Composite Toe Work Boots in Oily Distressed Brown, Size: 7 D Medium by Ariat