OPTIMAL CHOICE: Your comfort is our passion! Please use our size chart to choose the right size. If you are not completely satisfied with our thigh high compression socks, please feel free to contact us. You will receive a satisfactory solution and five-star service! We will support the quality of our products with excellent customer service and we believe you will love our compression socks. ELEGANCE AND COMFORTABLE: KEKING well-designed compression socks men and women keep an optimal temperature and good air permeability, Offer positive circulation and leg health. See our sizing guide in the left images section for a perfect fit by ankle, calf circumference and shoe size. Ergonomic design provides extra toe room and slit for unrestricted foot movement. KEKING support delivers physician-prescribed elastic compression therapy guaranteed. PERFECTLY FIT AND PROMOTE RECOVERY: Our thigh high hose is made of 77% Nylon, 23% Spandex, Super stretchy band with silicone grip dot-top lining prevents rolling and slipping, Latex Free. Exclusive footless style allows you get additional "wiggle room" for foot. Reinforced heel, designed for long lasting durability. It always keeps you classy and flexible no matter what you're doing! Use for extensive sitting or standing, travel, pregnancy, post surgery recovery, improved circulation. PREMIUM DURABLE FABRICS: Our thigh high compression socks Utilizing Germany specialized fabricating machinery, Unisex, Opaque, 3-D knit structure using thicker medical weight yarns that is soft to touch, ensure breathability, elasticity and longevity, keep your legs dry and odor-free. Easy to wear, Perfect for office workers, nurses, stewardess, shopping guides, teachers, flight attendants whose jobs require sitting or standing for a long time. EFFECTIVE COMPRESSION AND RELIEF: KEKING 20-30 mmHg Graduated Compression stockings give you optimal pressure where your body needs it most, that is strongest at the ankle and gradually diminishes as it goes up the leg. By improving blood flow & circulation can reduce muscle cramping while re-energizing tired legs and effectively solve the problem of inflammation of the legs and feet. Helps relieve swelling, varicose veins, sore aching muscles, edema, DVT blood clots. 77% Nylon, 23% Spandex.