Large fits men??s shoe size 6-9 (US), women??s shoe size 7-10 (US).ImportedHigh quality material makes the athletic socks so breathable, comfortable to wear all day without irritating your feet skin.Mesh at the top of the sock offers ultimate ventilation, ultra Air-Permeability and moisture wicking performance keeps your feet dry and odor free.Arch compression for support and fit, moisture control, breathable mesh, smooth toe seam and reinforced heel and toe for durability.Extra gear on the Heel provides abrasion protection. Protecting your achilles tendon from injury due to shoes friction.Match with any shoes, oxfords, sneakers and more! They suitable for many scenarios such as home, casual, running, jogging in spring, autumn and winter.