Amazon.com | Mens Sorel Caribou Waterproof Snow Boots Winter 。Durable Sorel boots. Tan leather upper. Black rubber lower. Warm lining. Gently loved. Worn on a trip to mountains. There is a small white spot (see photo) on right boot toe. The SOREL® Caribou earns a reputation for warmth, durability and comfort. Nubuck leather upper and vulcanized rubber shells are seam-sealed for waterproof protection, keeping feet warm and dry in cold weather. A removable 9mm ThermoPlus™ felt InnerBoot retains heat to keep feet warm. The AeroTrac™ outsole maximizes traction on snow and ice. For superior protection and performance, sport the Caribou winter boot.