This item will be shipped new, unused, and unopened. Purchased from the official website. Size: M "Attivo" features a double action of strong graduated compression and far-infrared effects. Experience immediate results in just 30 minutes! The power of 520 denier! Strong graduated compression & far-infrared effects with just wearing them, addressing swelling from standing work, fatigue, and stuffiness from cold. ● For those concerned about leg fatigue from standing work ● For those concerned about leg swelling from long hours of desk work ● For those concerned about cold legs from air conditioning in summer or cold in winter ● For those who spend long hours in vehicles ● For those who want to create beautiful leg lines Recommended for these and more. Wearing them for 30 minutes has the same effect as exercising for several thousand steps. Please use them daily, as well as on long trips by plane or car. Also, please try them while sleeping.