Sustainably Certified. Our genuine leather Kamik Tyson winter boots prove that it's possible to have great style without compromising on protection from rain, slush, and snow. Genuine leather upper with padded collar and a waterproof seam-sealed construction. 200g of 200B 3M Thinsulate insulation keeps the interior warm and cozy while in cold conditions. Comfort rated to 22°F. Soft boa lining. Removable comfort EVA insole with natural and non-toxic odor-eliminating Cleansport NXT treatment. SEGA natural rubber outsole with multi-directional lug design to offer better traction. Leather sourced from a tannery that achieved a Gold Rating from the Leather Working Group (LWG). Imported. Weight of footwear is based on a single item, not a pair.