• Waterproof membrane seals out water and lets moisture escape
• Waterproof suede leather and waterproof nylon ripstop upper
• Protective and abrasion resistant coated leather heel and toe cap
• Solarcore insulation utilizes the thermal advantages of Aerogel— the same material NASA uses to insulate spacecraft — to deliver best-in-class thermal performance in a flexible, breathable low profile form that delivers ultimate performance for cold weather activities.
• Vibram Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces