Get free shipping and sales for the Merrell Puffin Mid Black Footwear You can handle whatever Mother Nature decides to throw your way in the stylish ‘Puffin Mid’. Waterproof full-grain and nubuck leather uppers provide a rich look and durable wear. Wool collar, detail stitching and embroidered logos add undeniable visual pop. Back laces can be adjusted to allow for easy on/off wear and a customized fit. Polartec insulation with Aegis antimicrobial treatment warm and protect the foot. In-Board EVA footframe with Air Cushion midsole supports and aligns your stride. Penguin sticky rubber outsole maintains traction on even the coldest winter landscape.