Merrell Coldpack 3 Thermo Mid J037396 Wos Size:9 SHORT AND SASSY 88800044654 SHORT AND SASSY Zide YKK zipper for durability low bulk insulation for warmth and comfort• SOLARCORE® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra thin• 100% recycled mesh footbed cover• Cleansport NXT™ treated for natural odor control• 5% recycled PU removable footbed• Merrell Air Cushion in the heel absorbs shock and adds stability• Molded nylon arch shank• Super Rebound Compound midsole provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot• Vibram® Arctic Grip™ All Terrain outsole designed to effectively extend the winter traction season The evolution of one of Merrell's most successful winter boot franchises ever