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. Upper made with Premium Timberland® leather 100% recycled PET laces Lace-up style Padded leather collar 400 grams of PrimaLoft® insulation ReBOTL™ fabric lining containing at least 50% recycled plastic Anti-fatigue removable footbed Steel shank for arch support Seam-sealed construction Rubber lug outsole