The LP Knee Support Closed Patella provides firm support and uniform compression for weak or overstressed knees. It is made from the highest grade closed cell neoprene, covered with stretch nylon on both sides for comfort.Neoprene is the ultimate material for compression and heat retention, and this support retains body heat to warm the knee joint and increase blood circulation.The LP Knee Support Closed Patella is helpful for post-operative knee problem, strains, arthritis and protection against abrasions.It is designed to fit neatly and comfortably under clothing, and is easy to slip on or off.