Saphena Thigh High Anti-Embolism Stockings are designed to help reduce the risk of blood clots forming in your legs. These medical-grade stockings provide graduated compression, with the strongest pressure at the ankle (18mmHg) and decreasing up the leg (12mmHg at calf), promoting healthy blood circulation back towards the heart. As a Class 1 medical device, Saphena stockings conform to the latest European Standards and British Standard 7672:1993, ensuring trusted quality and effectiveness. The thigh-high length ensures compression extends fully up the leg, making them ideal for those seeking comprehensive support. Made in the UK from a durable 85% Nylon and 15% Elastane blend, these white stockings are machine washable for easy care. Available in 4 adult sizes (S, Standard, L, XL). Product Summary: Anti-embolism stockings, medical grade compression socks, thigh high stockings, blood clot prevention, graduated compression, 18mmHg ankle, 12mmHg calf, Saphena, Class 1 medical device, made in UK, nylon elastane, white, adult size S.