One of the most well-known perks of compression socks is how they can help to prevent blood clots, a worry for many when traveling by air. They work to stimulate circulation in the lower half, which is especially useful during long flights when you're sitting for prolonged periods.

For a 7-hour flight, wearing flight socks (compression socks) is highly recommended for both comfort and significant health benefits. During long-haul travel, sitting for extended periods in a pressurized cabin leads to reduced blood circulation, often causing "heavy" legs and swelling (edema). More importantly, it reduces the risk of Deep Vein Thrombosis (DVT), a serious condition where blood clots form in the deep veins of the legs. Flight socks work by applying "graduated compression"—tighter at the ankle and decreasing up the leg—which helps veins push blood back toward the heart. Even if you do not have a history of circulatory issues, these socks can prevent that "restless leg" feeling and help you arrive at your destination feeling more refreshed. It is best to put them on before you board the plane while your legs are still at their most "rested" state. Ensure they fit snugly but are not so tight that they cut off circulation, and look for breathable materials like bamboo or cotton to keep your feet dry throughout the journey.