COPPER INFUSED COMPREHENSIVE PROTECTION -- Made from 85% nylon. 10% spandex. 5% copper yarn; The copper ions in the yarn not only help to absorb sweat and keep your leg dry and odor free. but also heat your calf muscles and promote blood circulation around the calf. helping to relieve muscle soreness. shin splints. PROFESSIONAL GRADUATED COMPRESSION -- Designed with advanced compression technology. Kodal calf sleeves feature 15-22 mmHg graduated compression to meet the pressure needs of different parts of the legs. increasing the metabolic rate of the legs. INJURY PREVENTION & PAIN RELIEF -- Designed with ergonomically curved line. Kodal compression shin sleeves provide you calves with full protection from injury in exercises or daily gym activities; Meanwhile. these calf sleeves perform pretty well in recovery from varicose veins. shin splints. or sports injury. etc. SUPER ELASTIC & BREATHABLE -- FIVE sizes are provided for your selection; Special high-elastic tight and breathable compression fabric fits tightly with your calves while keeping them dry. itchiness and odor free; The premium fabric also bears washing. giving you a long-time use! COMFORTABLE FOR ANY ACTIVITIES -- Kodal copper infused leg compression sleeves are ideal for you to use in any activities that require lots of stress on the legs; You'll have a relaxing experience in running. basketball. jogging. gym. business trip or long-standing work like teachers. nurses.