Barely worn, they were too tight for me. Lot of three ATN women’s medium compression socks. Women's ATN Compression's Knee High range of stockings are designed to provide medical grade (20-30 mmHg) Class II compression support with comfort and style for tired achy legs. Antimicrobial fabric Wide top band prevents socks from rolling down or cutting into back of calf Roomy toe box Breathable foot bed Soft material – 75% nylon 25% spandex Wash on cold, lay flat/hang dry Must measure ankle and calf circumference for the proper fit. Ideal for people who spend a lot of time standing or traveling. Medium = ankle circumference: 8-9.6in, calf circumference: 11.4-15.5in