FABRICS: 80%Cotton+17%Polyester+3%Spandex POINTS: No Show Low Cut Socks. Moisture Wicking.Machine Washable SIZE: US Shoe Size 8-11. WASH:Machine wash,tumble dry mudium,only non-chlorine bleach when needed,do not iron. FEATURES: Don’t Slip ,3 Silicone Strips at Heel. Don??t slide off.The top of the sock comes up high enough to cushion the tongue of the shoe. The back grip keeps the sock in place & it doesn’t end up under your foot. SHIPPING: FBA. Package Includes: 6 pairs of socks(each color*1pair) The back grip keeps the sock in place & it doesn’t end up under your foot.