King Rocks Men's 6" Work Boots with 3M Thinsulate Insulation for Construction and Vibram Lugged Outsole Water Repellent Leather - This leather has been specially treated to be waterproof to protect your feet from the elements Vibram sole Shaft measures approximately 6 from arch Insulated - 3M Thinsulation Technology helps maintain warmth for your feet during cold conditions Traction, Comfort, & Protection - the sole design includes complex grooves and shock absorbing pressure points to alleviate fatigue and support the balance of your feet Steel Shank - steel shanks provide extra support around the arch of your foot, a necessary feature for heeled work boots. Shanks help alleviate the pressure caused by standing on rigid, uneven surfaces, climbing ladders, or kicking a shovel. Not only do shanks provide comfort, they can help protect your feet from being punctured. Vibram Outsole - one of the world's leading manufacturers of outsoles is combined with this boot to provide maximum durability Goodyear Welt Construction - this construction method creates a superior bond between the uppers and the outsole. Known to be one of the strongest and labor intensive ways to make a shoe, Goodyear Welt prevents sole separation and allows your boots to be resole-able