Injinji Snow Midweight OTC NuWool Socks Lycra^Merino^Nylon^Spandex^Wool Made in USA or Imported Injinji's five-toe patented designed specifically for runners, skiers and snowboarders Prevents blisters & hotspots while running Ideal use for snow sports, hiking and running Made with Merino Wool Fiber content: 64% NuWool 30% Nylon 6% Lycra