Get ready for your adventures wearing the Merrell Coldpack 3 Thermo Moc Waterproof Shoes. These shoes come with a pull tab on the front for an easy wear. The signature Merrell Air Cushion in the heel absorbs shock and adds stability to your heel. Waterproof full grain leather upper. SOLARCORE Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin. Recycled PU removable footbed. Waterproof membrane seals out water and lets moisture escape.