Merrell Thermo Freeze 6" Waterproof Women's Hiking Shoes Black/Vapor : Merrell Thermo Freeze 6" Waterproof hiking boots are designed to be some of the warmest winter footwear for those who still want to venture out, despite the weather. Featuring a waterproof PU coating on a premium leather and mesh upper and a low-bulk insulation, warm and cozy without the weight is the objective. VibramA(R) Arctic GripA(R) offers stability and traction on wet and icy surfaces. Upper: Features a mid-cut style made from waterproof PU coated leather and mesh upper. Padded, bellows style tongue help to enhance comfort. Metal hook and lacing eyelet provides secure lacing. Features a protective rubber toe cap. Midsole: Kinetic Fit(TM) Base removable contoured insole provides light support to all three arches of the foot. EVA midsole provides stability and comfort. Outsole: Features a VibramA(R) Arctic GripA(R) outsole. Includes lugs with 5mm depth.