Frequent fliers understand the importance of a trusty pair of compression socks, especially on a long-haul flight . This simple travel accessory offers a slew of benefits , especially to those who are stationary for hours at a time, like when you're seated on a plane, train, or in a car for a long road trip . These tighter-than-normal socks apply pressure and squeeze the veins in your legs and ankles, which in turn helps improve blood circulation, reduce swelling, and relieve discomfort. If you've ever experienced that awful pins-and-needles feeling after being stuck in the middle seat on a 10+ hour flight, you might want to slip on a pair of compression socks before takeoff. The best compression socks for travel are the right amount of snug, easy to slip on and off, and soft on the skin.…