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 foot for comfort and protection Mesh panels on top of foot for added breathability Built-in arch support helps reduce foot fatigue Experience exceptional comfort and performance with our advanced socks designed for active lifestyles. Crafted from durable material that wicks sweat and dries rapidly, these socks keep your feet dry and comfortable throughout the day. The new Locked-In Fit design ensures the sock stays securely on your heel, eliminating the need for constant adjustments.