Performance socks from "Deuce," a brand originating in California. Size: Fits 9 - 13 inches (27cm - 31cm) [From the official website] Introducing the all-new Deuce brand performance socks, the ultimate combination of comfort, durability, and performance. Designed to keep you cool, dry, and comfortable even during the most intense workouts, these socks feature a unique blend of high-quality materials that wick away moisture, provide cushioning and support, and won't slip, no matter what.