The Copper Fit Copper Infused Sport Crew Socks in black are designed for athletes and active individuals looking for high-performance socks. Made from a blend of polyester and spandex, these socks offer cushioning, arch compression, moisture-wicking properties, and odor resistance. The mid-calf length crew socks are perfect for sports enthusiasts in sizes M (9-12) or W (10-13), providing comfort and support during intense activities. Perfect for athletes or anyone looking for quality and durable athletic socks.