Compression socks help relieve pain associated with heel spurs and plantar fasciitis; moisture-wicking, antibacterial, and anti-odor design Helps Soothe Arch and Heel Pain Each sock's targeted compression zones provides support to your feet's arches and heels, which can help relieve pain associated with plantar fasciitis, heel spurs, and other foot conditions. Comfortable, Exercise-Friendly Design The lightweight, moisture-wicking socks fit just like normal athletic socks do, making them comfortable to wear during runs and workouts. Sizing Info Small/Medium: Men’s 6-9 and Women’s 5-10 Large/XL: Men’s 9-12 and Women’s 10-12 Specifics Material: 94% Polyester, 3% Spandex and 3% Other Fibers Care instructions: machine-wash, tumble-dry