FEATURES: size: S/M code: length 33cm, width 8cm L/XL code: length 36cm, width 9cm XXL code: length 39cm, width 10cm Designed to increase blood circulation and reduce swelling Quick and convenient to wear Perfect compression sleeve for travel, sports, work, or home Open toe design Pinch-resistant zipper BEAUTIFUL & COMFORTABLE: Fine yarns for a beautiful sheer look; soft feel for all-day wearing comfort. Utilizing specialized fabricating machinery and medical grade fabrics, we are able to create a high-quality compression sock in a great value. Durable and opaque stocking created with therapeutic comfort in mind for both men and women. THERAPEUTIC EFFECT: Therapeutic compression hosiery which promotes blood circulation, helps relieve tired, aching, fatigued legs. Ideal for treatment of varicose and spider veins, diabetic support, long flights, nurses, maternity, and general swelling or inflammation of the legs and feet. 15-20 mmHg GRADUATED COMPRESSION: The graduated compression provides maximum compression at the ankle with a progressive reduction through the calf promoting blood flow back to the heart. It helps reduce and prevent swelling for the wearer, maintaining positive circulation and leg health. HUMANIZED DETAIL DESIGN: Open toe styles designed with a roomy toe allowance for patients who require additional "wiggle room". The smooth and durable zippers stay snug and wont pop open. Zip-up design is easy to put on and take off. Flexible but snug in wider cuff helps the socks remain in place throughout the day. Thicker and smooth-knit stay-up top is designed for wearing comfort. Due to photo lighting problems, the color of the picture may be slightly different. Due to manual measurement, the size may have an error of 1-2cm.