85% Nylon, 15% SpandexImportedMachine WashUPGRADE - The material of our compression socks are upgraded with nylon percentage from 40% to 85%. Delivers 360-degree stretch for greater flexibility and durability. Breathable high performance fabric keeps an optimal temperature. We intend to combine fashion, technology and science to bring you the triple comfort without.COMFORT - We carefully designed and manufactured our compression socks to provide premium support, comfort, and relief without compromising your mobility. Form fitting, lightweight, and breathable fabric features maintain stability regardless of activity.EFFECTIVE - Our compression socks (15-20 mmHg) are highly recommended by preferred by trainers. Whether you are an athlete, teacher, flight crew, receptionist, office worker, nurturing mother, elderly, our socks are universally suitable for all work.UNISEX - Two size options available to pick from. Best Gift for women, athletes and runners - Anyone on their feet all day. Compression increases blood circulation which provides increased performance and faster recovery.