The lp support standard knee support open patella provides compression for weak or overstressed knees whilst an extra pad reinforces the patella stabilitypossible indications which may lead to you wearing this support include arthritis mild sprains or strains and patella instabilitydesigned for a tight compression fit the soft fit also retains your body heat to warm your knee joint and increase blood circulationmade from 75 closed cell neoprene foam and 25 stretch nylon lp support is m