Peds Flat Knit Quarter 4 Pair Value Pack 96% Polyester/ 3% Lycra / 1% Nylon Machine wash inside out in cold water. Only non-chlorine bleach when needed. Tumble dry low. Do not iron. 96% Polyester/ 3% Lycra / 1% Nylon 4 Pair Value Pack Ankle length Lycra for added fit and comfort Light weight for coolness and comfort