Copper Fit Tough Knee Sleeves are copper-infused compression garments with shock absorbing technology to help protect your knee. Impact Resistant Gel Pads in the knees to help provide comfort and protection whether working around the house or on the job. Compression sleeves are designed to provide support for muscle and joint stiffness and soreness, as well as aid in recovery and performance by supporting improved circulation and oxygenation. Made of a high quality polyester and spandex blend with a high-wicking composition, Copper Fit copper-infused Compression Sleeves are designed to help you move more comfortably through your day. The natural properties of copper help protect the garment from odor causing bacteria and stains while the wicking property pulls sweat away from the skin.