Therapeutic compression socks. Graduated compression at 3 points, with concentration at the ankle. 8-15 mmHg compression at the ankle helps provide relief for Swollen feet and legs. Perfect for those that sit all day, stand all day, or walk all day to help provide relief. Easy to get on and take off nylon/spandex blend. One sizes fits womens shoe size 5-11 and calf size to 17".