The Chippewa McKelvie 8 Inch 400G Waterproof Work Boot is made with a Goodyear Leather Welt Construction and provides you with great warmth from the 400 grams of Thinsulate insulation. This boot is not only made to keep your feet warm on the jobsite, but also offers you a waterproof bootie construction to keep your feet dry and help reduce irritation. The Vibram outsole will help keep your balance and provide support, while this USA handcrafted work boot will outlast the competition.