The Balega Silver Sock is a Performance sock for running. Socks, then shoes, it's just how it goes and these no-shows feature Silver ions to deliver antimicrobial properties. Comfy against the foot and I bet they repel werewolves too. Features of the Balega Silver Sock Provides lasting antibacterial running sock Performance with fibers encapsulated in Silver ions. Ensures perfect Fit with compression sock arch support bands and extra-deep heel pocket. Keeps feet cool and dry with Balegas proprietary Drynamix moisture wicking fibers, plus specially constructed, reinforced microfiber mesh ventilation panels. Maximizes comfort with hand-linked, seamless, reinforced toe and High heel tab that helps prevent the sock from slipping into your shoe and minimizes exposure to blisters.