Features: Brand new and high quality Graduated compression of 15-20mmhg: stimulates blood flow and prevents pooling of blood in the feet and legs. It helps preventing the ankle, leg, and foot swelling. Reduce the risk of developing swollen joints, tendonitis, edema, and more. Made of breathable fabric, make it comfotable to wear. It also comes with superior zipper and ergonomic tailoring. Easy on/off: with knee high and zipper closure, easy to put on and put off. Suitable for both men and women. Suitable for running, nurses, shin splints, fitness, workouts, hiking, office, flight travel, maternity pregnancy. Specifications: Material: Chinlon Optional Color: Black, Gray, Butterfly, Brown+Black, Brown+Skin Color, Skin Color Optional Size: S/M/L/ Size:S Calf Size:23-38cm(9.06-14.96inch) Women Shoe Size:5.5-8.5 Men Shoe Size:5-9 Size:M Calf Size:35.56-48.26cm(14-19inch) Women Shoe Size:8-12.5 Men Shoe Size:8-14 Size:L Calf Size:45.72-60.96cm(18-24inch) Women Shoe Size:10-15 Men Shoe Size:11-17 Package Includes: 1 pair(2pcs)xCompression Socks note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.