68% polyester/13% spandex/12% nylon/7% rubber High Performance Fiber: Our sports sock is crafted with a carefully selected high performance fiber that wicks moisture and sweat, and will keep you dry and comfortable throughout the day. One Size Fits Most: Men’s Shoe Size 6-10.5 (US)(Sock Size 10-12). Cushion Sole: Softness and comfort to reduce foot fatigue and soreness from standing for long periods of time. Arch Support: Designed to support the contours of your foot for snug-fitting comfort. It also prevents bunching and helps keep your sock from slipping. This Sports Sock best fit and comfort for running, workout, walking, exercise, gym, tennis, hiking, trekking, camping, climbing, cycling, marathon, traveling, golf and daily wear.