75% Nylon, 25% Polyester Imported Zipper closure Machine Wash TRUE GRADUATED COMPRESSION - Our zipper compression socks use graduated compression of 15-20 mmHg creates the highest support pressure at the ankle and gradually decreases along the legs. This improves circulation, boost energy levels, and relieves symptoms such as aches and pains, throbbing, swelling, blood pooling, provides the renewable and sustained energy and allows you to heal in the legs and feet. ZIPPER & OPEN-TOE DESIGN - Each pair of socks includes a strong high-quality zipper to ensure a snug fit. Unique zipper design can easy to adjust for different leg, friendly for wide calf. The toeless style makes you feel less restrictive and allows for any foot size. Available S to XL. A must-have for large legs or extremely swollen calves. Zip Up BLUEENJOY Hose, A beautiful life begins with compression socks. INSTANT SUPPORT & RECOVERY - Our open toe compression socks with zippers provide long-lasting support that relieves ankle swelling, leg cramps and foot fatigue. Helps reduce the risk of exercise injuries, varicose veins, edema, muscle pains, blood clots and more. Also great for post-surgery, shin splints or swelling issues recovery.Perfect for nurses, maternity, diabetic use - Unisex - for Men and Women. UPGRADED MATERIALS - ALL DAY COMFORT AND RELIEF - 75% Nylon, 25% Spandex use High-quality, comfortable and breathable fabrics, durable performance, to provide strong durability. That make them easy to wear for long periods of time, without compromising your mobility. Moisture-wicking fabric keeps your body dry and odor-free. Wearing them will keep your feet and legs fresh all day.