The only graduated compression technology proven to improve performance and speed recovery Offers optimal blood flow toward the heart for reduced swelling, long-haul fatigue, and muscle stiffness Cotton blend and padded zones in the foot bed, plus seamless linked toe cage for greater comfort Anatomical left and right sock for improved fit Moisture wicking technology to keep you dry and vented tow panel for breathability; ; UPF 50+ sun protection Long flights can be a battle - with hours of sitting that leads to tired, swollen legs, and DVT. 2XU Flight Compression Socks can help beat the effects of travel with state-of-the-art graduated compression technology-reduces swelling, long-haul fatigue, and muscle stiffness in the legs. The soft cotton blend and padded zones in the foot bed for improved fit will allow you to arrive to your destination feeling fresh and ready to hit the ground running.