Thorlo understands, maybe better than anyone in the sock industry, that not all wools and acrylic are created equally. The yarn blend in these hiking socks is composed of the highest quality wool and patented Thorlon acrylic that maintain an even temperature inside the shoe and greatly reduces the risk of blisters on mountainous terrain.

• 53% Thorlon Acrylic, 33% Wool, 11% Nylon, 3% Spandex