The Woolrich® Fully Wooly Lace boot has a handsome construction and warm protection to keep you in stride all season long. Waterproof leather and wool upper. Waterproof foot shell construction keeps out the wet elements. Full lace-up closure.Soft fleece lining for added warmth.Fully Wooly™ insulation wicks away moisture and provides an insulated water-resistant frost barrier, creating a warmer, more breathable foot environment. Felt Flex™ midsole provides excellent flexibility and shock absorption. Durable rubber outsole offers excellent traction. Waterproof comfort rating: -25ºF / 32ºC.