Sigvaris Traveno Travel Socks is medically proven to help support healthy veins while travelling. Every time you sit for a long period of time without moving your legs, the risk of travel thrombosis increases – whether you're traveling by air, car, or train. Swelling and painful legs are possible symptoms. Sigvaris Traveno promotes circulation in your legs by applying gentle pressure. A scientific study has proven that SIGVARIS TRAVENO provides considerable health benefits.