Feetures! High Performance  Ultra Light No Show Socks 84% Polyester/13% Nylon/3% Lycra Imported Thin flat knit construction takes up minimal room in the shoe. The PerfectToe (No irritating toe seam.) SnugFit Technology - Unique Power Bands of Lycra hug your entire foot for maximum support. This snug, supportive fit eliminates movement to prevent blisters. iWick fibers wick moisture to keep feet cool, dry and odor-free. Lightweight mesh encircles the entire foot in two places for better ventilation and breathe-ability. Y-heel construction keeps sock from sliding into the shoe. 84% iWick Polyester, 13% Nylon, 3% Lycra Spandex