* 30 denier* Slight sheen* Comfort top* Help prevent DVT* Reinforced heel and toe Long periods of inactivity, combined with the cramped conditions and dehydration which can occur on long journeys, can cause a number of circulatory problems including deep vain thrombosis DVT- blood clots.   Scholl Flight Socks are medically proven to help prevent DVT by helping to improve blood flow. Designed for continuous comfort, they effectively help relieve tired aching legs and swollen ankles so that you arrive at your destination feeling refreshed and your legs feel revitalised. Scholl Flight Socks are ultra soft, have a comfort top and look and feel like normal socks.   They have a compression factor of 14 - 17 and are unisex. Scholl Semi-Sheer Soft Flight Socks 2PP Natural ()