Drymax Maximum Protection Trail Run Mini Crew, 1 Pair 65% Drymax/Olefin, 20% Polyester. 8% Nylon, 7% Elastaine Flat Toe Seam Arch band holds sock in place Y Heel Improves Fit and Dual Layers keep feet dry Anti-slip wedge helps prevent sock from slipping down into shoe Contains 1 Pair of socks