Baffin Impact Boots - Mens Size 13-by-BAFFIN-4000-0048(13) A Baffin classic that's designed for movement in the extreme cold. Waterproof, Diamond-Lite insulated nylon upper Waffle insole is specially designed to retain and circulate heat around your foot. 8-layer innerboot with Thermoplush insulation. 2-stage integrated polyurethane base keeps you stable in rough terrain.