Feetures Elite Light Cushion Low Cut Socks 80% Nylon/13% Polyester/7% Lycra Imported The Power Arch is anatomically constructed to provide targeted support where it's needed most. Anatomical right and left foot design enhances fit, delivering maximum protection by helping to eliminate blisters. iWick fibers wick moisture to keep feet dry and odor-free. The PerfectToe - No irritating toe seam. High-density cushioning provides extra protection in high impact areas. 96% Nylon, 4% Spandex