15-20 MMHG: BLOCK PLAID (COTTON) Made with premium cotton and 200-needle count for flexibility and comfort. Our socks offer mild-moderate compression (15-20 mmHg) - appropriate for all day, everyday wear. These high-functioning socks help: Energize legs Reduce swelling Alleviate achiness and heaviness Aid in muscle recovery Features: Graduated compression from ankle to calf Contoured leg and heel for a superior fit Flexible toe pocket for extra comfort Spandex throughout the sock