COPPER ANTI-FATIGUE FOOT SLEEVES provide soothing relief for tired, achy feet. Copper-infused, toeless socklets deliver targeted compression to all areas of the foot—heel, arch, ankle, plantar fascia—to help improve circulation and reduce swelling and pain. Wear under socks and in most shoes. Nylon/spandex/elastic blend. One pair.
S/M fits women’s shoe sizes 6-9½ or men’s 5-9½
L/XL fits women’s sizes 10-13½ or men’s 10-12½.
They're a perfect fit.