Coldpack 3 Thermo Tall Zip

200 grams synthetic lightweight, low bulk insulation for warmth and comfort. Complete with SOLARCORE® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape Vibram® Arctic Grip™ All Terrain outsole designed to effectively extend the winter traction season, due to the enhanced durability and versatility Heavy-duty, Waterproof, YKK zipper for easy on and off Protective and abrasion resistant rubber toe cap Cleansport NXT™ treated for natural odor control Merrell Air Cushion in the heel absorbs shock and adds stability Molded nylon arch shank