Ideal for all journeysmedically provencompression factor 14 17to help prevent deep vein thrombosis dvt in flightclinically proven graduated compression system to improve circulationhelp to prevent swollen ankles and tired aching legsantimicrobial protection keeps feet fresh and odour freewhy you should wear scholl flight sockslong periods of inactivity combined with the cramped conditions and dehydration which can occur