Improves circulation to help minimize swelling. Relieves tired, achy legs. Designed with graduated compression. Compression decreases gradually up the leg with maximum compression at the ankle to help promote healthy legs. Helps relieve symptoms of mild varicose veins. Features balloon toe and reciprocated heel for added comfort. Comfort top band holds socks in place. Compression level: 8-15 mmHg. Medium fits US shoe size 5-1/2 - 7-1/2. From floor to bend in knee: Calf measurement. 14": 14"-16"; 15": 13"-16"; 16": 12"-15"; 17": 11"-15"; 18": 10"-14"; 19": 10"-12". 20": 10"-12". VitaminsPro is NOT responsible for any and all packages detained/impounded/or returned to us by the country?ÇÖs respective Customs Department. It is the FULL responsibility of the customer to ensure that these.