87% Viscose from Bamboo, 10% Nylon and 3% Spandex.
Designed in California, made in China.
Small/Medium = Men's Shoe Size 5-9 Women's 6-10.
Large/XLarge = Men's Shoe Size 10-14 Women's 11-13+
Available in 1-Pack, 5-Pack and 12-PackET-SL |$10.50 per pair.
Wow, love them!
Overall, very comfortable. They seem to be cooler than my usual socks and my feet don't seem to have any athletic odors after exercise, etc. after using them.