Crafted for optimal travel comfort and safety, these specially designed socks feature LYCRA fiber for enhanced flexibility and fit. They are available in two sizes, UK Size 4-7 and UK Size 8-11. ProFoot's Flight Socks boast a sleek black, multi-purpose fine rib design with a compression factor of 14-18 mmHg, promoting regular blood circulation and reducing the risk of DVT. They are machine washable, ensuring hygiene and convenience. Each pack contains one pair of black Flight Socks, certified as a Class 1 medical device for maximum effectiveness and safety.