Bamboo Viscose Material - These socks are made with legitimate bamboo properties to wick moisture away from the skin. This allows your feet to breathe and reduce sweating, especially if you are on your feet all day. GENTLE GRIP These socks have a soft, gentle grip surface to reduce poor circulation on ankles and legs. STRIPED AND COLOR DESIGNS - Add color to your sock drawer with these colorful bamboo socks. 5 PAIRS - This pack contains 5 pairs of bamboo socks, 1 pair for each day of the work week Made of 69% Viscose from Bamboo, 28% Polyester, 2% Elastodiene, 1% Spandex. Hand wash. Available in sizes 6-11.