Built for the working man, the Men's Timberland® Premium 6-Inch Boot is waterproof and insulated with 400 grams of PrimaLoft® insulation, featuring our waterproof Premium Timberland® Leather uppers with a cushioned collar. The removable, anti-fatigue footbed and steel shank designed for arch support work together to help keep your feet comfortable for however long your work that day takes. By purchasing this product, you are supporting Leather Working Group certified tanneries.