INNOVATIVE COPPER FABRIC:breathable, extreme soft, durable and long lasting after many times of washing, a must for men and women. The anti-odor and innovative moisture wicking fabric keeps your knee cool and comfortable all the day! IF YOU AMONG BOUNDARY CIRCUMFERENCE,PLEASE SIZE UP MORE SUPPORTIVE: Equipped with best quality elastic strap, the copper knee brace is more supportive and adjustable. You can obtain the maximum comfort and customized compression degree at the same time. Great for weightlifting, tennis, golf, squats, running, basketball, cycling, football and other physical activities. Instant comfort & support ! PROFESSIONAL DESIGN: Preferred by professional trainers, sportsmen and athletes, for anyone suffering from knee problems. Our unique Human Physiology Technology brings you utmost comfort and even yet stable pressure. Helping relieve Joint Pain, Arthritis, ACL Rehab, tendonitis, post-surgery, swelling, inflammation, strains and sprains. It also provides 3 Zone compression and support to the knee cap to stimulate blood circulation to speed recovery. NO SLIP DESIGN ON THE TOP: Unlike other knee braces, our compression knee brace sleeve uses double-lined silicone strip to prevent slipping or sliding down, the knee sleeve comes in three different sizes to make sure you can choose the right size you. Our knee brace sleeve is the idealist choice.