Merrell Puffin Frost boots have forceful winter styling and mind-blowing performance in a warm, multipurpose package from Merrell. Puffin Frost has sculpted waterproof full grain leather, pigskin and nubuck uppers on a board lasted base for outstanding comfort. The Puffin Frost wool trimmed collar and 200 gram Primaloft and Polartec insulated lining will challenge the deepest snows and winter frosts. The Merrell In-Board compression moulded EVA footframe features the prodigious Integrated Merrell Air Cushion midsole The Puffin Frost footbed is treated by Merrell with Aegis technology antimicrobial solutions to control odour. We are surely approaching perfection for maximum warmth and odour prevention in this superb Women's Merrell Puffin Frost boot.