Item Type: Compression Socks_x000D_ Material: Polyurethane_x000D_ Compress Grade: Secondary compress (23-32mmHg)_x000D_ Usage: Used for long time sitting or standing positions, traveling, pregnancy, postoperative recovery, and improving blood circulation_x000D_ SizeAnkle CircumferenceCalf Circumference_x000D_ M21-25cm / 8.3-9.8in33-37cm / 13-14.6in_x000D_ L23-27cm / 9.1-10.6in36-40cm / 14.2-15.7in_x000D_ XL25-29cm / 9.8-11.4in40-44cm / 15.7-17.3in_x000D_ XXL27-31cm / 10.6-12.2in43-47cm / 16.9-18.5in 1Immediate pain relief and effective rehabilitation assistance, can relieve the fatigue of legs and feet, good using effect. 2Gradually compress from foot to knee, significantly increasing blood circulation, making you feel comfortable and relax. 3Helps recovery after exercise, wonderful wearing experience and designed with 23?32mmHg of the compress grade. 4Relieve discomfort that is not associated with leg or foot swelling, varicose veins, plantar fasciitis, etc. 5Used for long time sitting or standing positions, traveling, pregnancy, postoperative recovery, and improving blood circulation.2 x Compression Socks