Compression Socks Size: 36-40 Sports Items: Cycling, Running, Fitness, Ball Sports, Outdoor Sports. Knitted socks are tightly knitted and fit your feet comfortably. Outdoor activities can protect your feet. The welt is designed to be elastic, and the body of the sock has a rubber cord that shrinks. Y-shaped heel design, non-slip, elastically shrinks the arch, and the wrapping doesn't slip off. Upgrade your compression sock drawer! - With all the challenges of work and family, we may forget to maintain and preserve the health of our feet. Compression socks are proven to enhance circulation and increase energy, allowing for all-day comfort. The Power of Copper - Copper is an essential element for normal function. It has special power. Through the magic of modern technology, we have extended its natural properties and added the special benefits of copper to ordinary compression socks. Upgraded Material - We carefully design and manufacture our compression socks, providing premium support, and the moisture-wicking material is combined with copper ions, helping to keep your feet dry. The comfortable wide band gives compression without sacrificing 360-degree stretch for comfort and durability. Everyday use.