Engineered with Coolmax to keep your feet dry and comfortable all day long Maximum circulation- The feet are the furthest point from your heart by increasing fresh oxygenated blood to your damaged tissues by up to 40% faster recovery time performance is enhanced Ideal range- is the most beneficial for running, Cross fit, walkers, pregnancy, maternity, vein support, marathons, sports, gym, yoga, Spartan, standing, working, sitting, or even while you sleep TravelSox graduated compression socks are specifically designed for travel. They were developed in Italy using a patented design that helps stimulate blood flow reducing swelling while in close or cramped quarters for extended perods of time The technical construction enables a gradual compression allowing increased circulation.