There's cushioning to protect your feet, fatigue-fighting arch support, and seamless toe construction to eliminate irritation so they don't chafe when you lace up tight. DNA DNA Strategic Cushion reduces bulk, delivers flexibility & breathability Dynamic Arch Support helps reduce foot fatigue Ventilation Channel Integration enhances breathability True Seamless Toe reduces irritation Anti-odor technology prevents the growth of odor-causing microbes Three pairs of socks 72% Polyester/25% Cotton/1% Nylon/2% Spandex Specs Specs Style #: 1310146 Imported Fit & Care Fit & Care One Size Fits All