2019 summer leg guard socks long tube compression socks professional long tube marathon running socks

ingredients: 56.5 % nylon, 32.5 % polyester, 10.1 % elastic fiber, 0.9 % spandex suitable for the season: all seasons size: m/l gradient decompression, protect calf muscles, assist calf force, reduce muscle shaking, increase movement efficiency, stabilize the foot and knee joints, foot bottom shock buffer