Conform to British Standard BS7563:1999., Manufactured in the UK. Please seek medical advice before purchasing and using any type of graduated compression socks if you have any pre-existing medical conditions such as cardiovascular problems, arterial or venous disease, varicose veins, phlebitis, diabetes, or you are using prescribed compression hosiery or have recently had surgery or injuries to lower limbs. HIGHEST QUALITY KNEE HIGH COMPRESSION SOCKS – Our compression socks are preferred by fitness enthusiasts. The reinforced/cushioned heel and toe... Available in a variety of Sizes. Denim Blue Anti DVT Flight socks. Thigh High Compression Socks - Women's Medical Support Stockings DVT Flight Socks | Well Travelled Clinics Graduated compression throughout, Firm Support 10mmHg at the Ankle. Discreet Normal sock Appearance. Cotton Rich for added Comfort with Nylon & Elastane for support Denim Blue Anti-dvt Flight Socks Travel Socks Unisex Large Denim Blue Anti-Dvt Flight Socks Travel Socks Unisex Unisex Travel Compression Socks Discreet Normal sock Appearance, Manufactured in the UK