Comparable To Medical Grade Compression Socks 20-30 mmHg and graduated compression scientifically effectively increase pressure on the calves, the feeling of putting it just like running a kilometer. 1>It help to relieve the pain resulting in varicose veins; 2>prevent deep vein thrombosis’s development; reduce leg swelling; 3>prevent blood from the veins in the legs. Comfort Design 1>The blend of 75% Nylon and 25% Lycra is the basis of comfort; 2>Ultralight design and hydrophobic materials improve breathability; 3>Seamless toe-closure for maximum comfort; wide calf is easy to take on and off; 4>Anatomically padded cushioning, anti-blister; 5>Cushioned terry foot and heel for extra comfort, you will not feel stress even if you do high-intensity exercise all day; 6>It also features permanent technology anti-odor and antibacterial to keep the socks fresh over a prolonged period of time. Excellent Performance 1>Scientific graduated compression technology can increase oxygenated blood and deliver oxygen to the working muscles, as a consequence that you work harder and more efficiently; 2>You can have a faster recovery because the compression socks beneficial dissipate lactic acid which makes your muscles sore after exercise; 3>It contributes to reducing the muscle vibrations which cause energy loss from impact with the ground. Various Occasion 1>You can wear it when you are doing exercise or yoga in the gym; 2>Or when you are running, cycling, playing football or basketball outdoor; 3>Or when you are pregnant; 4>Or when you have a long trip; 5>Or if you have to sit or stand for a long time; 6>Or if you need quick recovery as a sportsman. Various Choices Three colors black, blue, pink, and four sizes S, M, L, XL for you.Accurate size for any body of men and women to find the best one. Different colors are suitable for different occasions, occupations, and genders. So that you can easily choose the ideal products.