Flight Compression Socks for Women & Men (Class 2) are designed to prevent Deep Vein Thrombosis (DVT) during and after flights. These black compression socks by SynxBody feature a pull-on closure for convenience, and their medical-grade compression aids in improving blood circulation, making them ideal for long journeys. constructed from a blend of durable nylon, these socks are lightweight at just 0.3 lbs, ensuring comfort without sacrificing support. Many users appreciate their effectiveness in reducing swelling and fatigue, highlighting a noticeable difference in overall leg comfort during and after travel.