Our Plantar Fasciitis foot sleeve promotes circulation which increases blood and oxygen flow to reduce pain and promote recovery. ☞Designed to increase blood circulation and reduce swelling. MULTIPLE USES: Be able to prevent injury in sports, give extra comfort when on your feet for long periods, improve feet circulation for people who sit at a desk for long periods, reduce deep vein thrombosis risk when used as flight socks, reduce lactic acid build up, faster promote muscle recovery and relieve arthritic feet.