Specification Material: Acrylic fibres Package included: 2Pairs zipper compression socks Acrylic fibres ️EFFECTIVE COMPRESSION: 15-20 mmHg zipper compression socks open toe provide graduated compression from the ankle to knee. The pressure value is the largest at the ankle and gradually decreases upward, promoting the blood to flow back to the heart. It helps reduce and prevent swelling for the wearer, maintaining positive circulation and leg health. ️ZIPPER & OPEN TOE DESIGN: Our open toe zip up compression socks include a durable, high quality built-in zipper to secure a snug fit and don't pop open. Zip compression socks for women are easier to put on and take off than ordinary compression socks. Open toe style does not compress toes and squeeze your aching toe joints, preventing pains. ️AFFORDABLE 2 PAIRS：Each pack includes 2 pairs of zipper compression socks. It is important that alternative use of two pairs of socks can prolong the service life of socks. Our Zippered compression socks for women open toe are made of soft spandex yarn and durable nylon with seamless knitting technology. This is definitely a thoughtful and valuable combination. ️WIDELY USED: The compression level of these open toe zipper compression socks is cozy and safe, which is suitable for daily wear for adults of all ages. The firm fabric keeps an optimal temperature and good air permeability with soft feeling for all-day wearing comfort. Perfect for office workers, nurses, stewardess, teachers whose jobs require sitting or standing for a long time. For any long-term person, 15-20mmhg zipper compression socks is a real necessity.