The Bear KompleX Compression Knee Sleeves provide support and compression for your knees during workouts. They are made of high quality bamboo charcoal fiber that is soft and comfortable to wear. The sleeves are 7mm and 5mm for optimal support and compression. They increase blood flow and reduce pain while performing a variety of exercise movements. The Bear KompleX Compression Knee Sleeves are top-notch and trusted by the best athletes.