Toeless & zipper Design: 2 pack Zipper socks ,Open-toe style allows for any foot size.Zip-up design are easy to put on & off .Smooth & durable zippers stay snug & won't open.Breathable fabric & Delivers 360-degree stretch ?Graduated compression socks :Improve blood flow,move faster & use less energy. Providing compression at the ankle with a progressive reduction through the calf promoting blood flow back to the heart, maintaining positive circulation &leg health. ?Therapeutic function :15-20 mmHg Hosiery Pressure Helps to Reduce Discomfort In Leg fatigue, Swelling, Edema,Aching Legs, Calf and Feet and Swollen Ankles and support Muscle recovery ?High Quality:Our zipper compression socks are made from 75% nylon, 25% Spandex, Soft unisex socks keep you dry and comfortable all day long .Cushioned toe and sole beds for you stretching feet flexiblely ?Doctor Recommend: This compression socks are unisex,helps boost blood circulation, Ideal for treatment of varicose and spider veins,Swollen Leg support, long flights travel, nurses, Pregnancy, and general inflammation of the legs and feet .