Soft, lightweight knit with a slight rib, for stretch, comfort and ease of putting on. Helps to relieve minor swelling, tired, heavy feeling legs & varicose veins, and helps prevent further circulatory problems such as lymphedema, thrombosis, phlebitis and venous insufficiency. Reinforced heel & toe with non-compressing toe area, and non-restricting top band for comfort fit. Opaque fabric Reinforced heel and toe Non restrictive top band 85% Nylon/15% Lycra 15-20 mmHg Graduated Compression * Simply Enter the Code: FLY-UREKA in the promo code box during checkout and we will send you a free sample of foot care cream with your order. Use it on your feet, send us your before and after photos with a product review, and we will enter you into a draw to win a Foot Care Pack plus we will refund the price of your socks back.