Durable material wicks sweat and dries really fast. New Locked-In Fit design keeps sock securely on heel for an adjustment-free fit. Medium cushioning throughout the foot provides comfort and protection. Mesh panels on top of the foot offer added breathability. Built-in arch support helps reduce foot fatigue. This pack includes 3 pairs of socks. Made from 98% Polyester and 2% Elastane. Imported.