• GORE-TEX® waterproof membrane, exceptional breathability and waterproof performance
• Waterproof Suede and abrasion resistant non-wicking textile upper
• Traditional lace closure
• Bellows tongue keeps out debris
• Metallic hardware
• Breathable mesh lining
• 4mm of Primaloft® Aerogel over-the-toe insulation traps in heat where you need it most--even when compressed
• 400 grams lightweight, low bulk insulation keeps you comfortable
• COMFORTBASE™ contoured insole cradles your foot in all day comfort
• Molded nylon arch shank
• Air Cushion Viz
• Lightweight EVA foam mid-sole for stability and comfort
• Merrell sticky rubber out-sole tunes each out-sole with durable traction that grips when and where you need it
• AR670-1 Compliant