• Waterproof membrane seals out water and lets moisture escape
• Protective shell keeps feet dry
• Microfiber upper
• Heavy-duty YKK medial zipper for easy on and off
• Dual pull tabs for ease of entry
• Fleece lining
• 200 grams synthetic lightweight, low bulk insulation for warmth and comfort
• Mesh footbed cover
• Cleansport NXT™ treated for natural odor control
• Heat-reflecting insole radiates body heat back toward the foot
• Kinetic Fit™ BASE removable contoured footbed for flexible support
• Molded nylon arch shank
• Merrell Air Cushion in the heel absorbs shock and adds stability
• Super Rebound Compound midsole provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot
• Merrell sticky rubber outsole designed for winter optimizes traction over cold weather surface condition