Let your foot feel pampered in the Tundra Calli Winter Boot. Featuring a BOA lining for absolute warmth and a lugged TPR outsole for stability, this waterproof boot keeps you comfortable and stylish all the while you are out in the cold. Waterproof construction Warm BOA lining BOA insole Lugged TPR outsole Shaft Height: 12" Insole: BOA Outsole: TPR Upper: Nylon