The Bear KompleX Knee Sleeves are designed to provide support and compression for your knees during workouts. The sleeves are made of high quality bamboo charcoal fiber that is soft and comfortable to wear. The sleeves fit snugly and are 7mm and 5mm for optimal support and compression. The sleeves are also designed to increase blood flow and reduce pain. The Bear KompleX Knee Sleeves are top-notch and trusted by the best athletes. When you use Bear KompleX you are using the same gear as the pros.