Got a job that requires being on your feet all day in the cold? You're going to love our tall Timberland PRO® Work Summit Insulated boots with StepPropel™ Technology, a lightweight footbed made of thousands of fused beads that compress to store your energy and then rebound to release that energy back to your feet with every step. In addition to their Premium Timberland® waterproof leather uppers, we added 600 grams of insulation for cold-weather comfort and to retain heat, composite safety toes, an internal waterproof membrane for maximum water and blood-borne pathogen protection, electrical hazard protection, breathable and moisture-wicking linings made of ReBOTL™ material containing at least 50% recycled plastic, an antimicrobial treatment to help keep them smelling fresh, and lightweight, All-Weather TPU outsoles for enhanced traction, plus heat, oil, slip, and abrasion resistance.