The Merrell Icepack Guide Buckle women's insulated boot keeps winter in check. This waterproof boot is equipped with Merrell's M SelectTM ICE outsole for sure footing, and M SelectTM WARM to keep you warm and toasty. It is made of full-grain waterproof leather and suede upper. The M SelectTM WARM lightweight, low bulk 200-gram insulation keeps you comfortable while the fleece lining provides warmth and comfort. The Merrell air cushion in the heel absorbs shock and adds stability.