Leg health. 15-20 (Targeted compression for an average size ankle) mmHg of compression. Doctor recommended. Graduated compression. Helps improve circulation. Soothes tired legs. Reduces minor swelling. Relieves minor varicose veins. Moderate: 15-20mmHg. Tried legs. Minor varicose veins. Minor leg, ankle, and foot swelling. Post surgery. Truform Men's Dress Socks utilize graduated compression technology to help improve circulation and invigorate the legs ideal when sitting or standing for extended periods. All-day relief from tired legs, minor swelling, minor varicose veins and related conditions. Roomy, reinforced toe, soft band, and knit-in defined heel for durability, comfort, and proper fit. A contemporary knit design suitable for casual, business or formal occasions. Medium: 7-1/2 - 10 shoe size; 8-1/4 inches - 9-3/4 inches (21 - 24.7 cm) ankle; 13-1/2 inches - 16 inches (34.3 - 40.6 cm) calf; Up to 16 inches (40.6 cm) length to knee. truform.com. SmartLabel: To learn more about Truform, scan for informative video. Twitter: (at)Truform. Facebook: Facebook/TruformUSA. Visit truform.com to view our full line products, all available through your dealer. Available Colors: Black. Brown. Navy. Tan. White. Made in the USA.