Improve Blood CirculationThese 20-30mmHg compression socks boost your blood circulation and relieve leg pain, swelling, and fatigue. The Zipper sock features a zipper to apply compression exactly where you need it. All Day ComfortThese socks are very comfortable, lightweight, and breathable so that you can wear them all day! The reinforced/cushioned heel and toe support provide superior comfort. Optimal compression increases blood flow during a long flight and prevents swelling. Physician High Quality Knee High Compression SocksCarefully designed and manufactured, these compression socks to provide premium support, comfort, and relief without compromising your mobility. Form fitting, lightweight, and breathable fabric features maintain joint stability regardless of activity Brand New, Never opened in original packaging.Each order comes 2 socks (A Pair)See chart for proper sizing and make sure to measure the calf size!Size Chart Can Be Found In eBay Listing Images. Scroll to Images till you find the chart, then measure your foot.Sold Packaged and Shipped from Killeen, Texas. United StatesAll returns are subject to a 20% Restock / Open package fee.