Additional Details ------------------------------ Bullet point: Deluxe version are enhanced with extra cushioning!|Miracle Copper Socks use copper-infused fibers and graduated mild (8-15 mmHg) compression to soothe swollen feet and legs boost circulation reduce swelling and help relieve aches and soreness|Breathable fabric controls odor and keeps feet dry. Nylon/copper/spandex. Machine washable|Women's: SMD (6 - 9 1/2) Men's SMD (5-9 1/2)|Helps avoid leg cramps.