Scholl Sheer Flight Socks help prevent DVT and revitalise legs on long journeys. Their clinically proven graduated compression system (factor 14-17) stimulates blood flow for continuous comfort, and antimicrobial protection keeps feet fresh. Available in Black or Natural and in a range of UK sizes (30 denier). Simply wear them instead of regular socks for the whole journey, pulled up to just below the knee. Pack Contents 1x pair of socks. Safety Warning If you have, or have a history of, blood clots, a blood clotting disorder, heart or circulatory problems (e.g. arterial or venous insufficiency), diabetes, severe varicose veins, cancer or reduced mobility, have recently had major surgery or are pregnant, consult a healthcare professional about whether this product is suitable. Scholl recommends measuring your calf and ankle to ensure a correct fit, ideally once under the guidance of a healthcare professional. If the socks feel loose or restrictive, or cause pain or discomfort, stop wearing them and seek advice from a healthcare professional.