Wigwam The Ice Socks 80% Wool/20% Nylon Made in the USA or Imported REALLY WARM: insulates your feet against the cold with a fully cushioned blend of Wool and Stretch Nylon MATERIALS: 80% Wool, 20% Stretch Nylon REINFORCED DURABILITY: a blend of natural and synthetic fibers extends the life of the product HEAVY WEIGHT: designed to be worn in colder conditions; provide defense against cold USA MADE SINCE 1905: Wigwam support domestic yarn spinners whenever possible and work with them to get the best quality natural and manmade fibers and yarn for all of our products