The Comfortiva 12-14 mmHg Graduated Compression socks are perfect for an active lifestyle, travel, pregnancy and at work. These socks feature their comfortable welt top band for a superior fit. One size fits most (fits up to a 20 inch calf size). Compression socks help promotes healthy blood circulation and aids in reducing swelling and fatigue due to prolonged periods on sitting. They are often recommended to minimize the risk of varicose and spider veins and can aid in faster muscle recovery.