Rocktape kneecaps knee support protection keeping your knees stabilised is essential when it comes to lifting. Knee caps are specifically designed to provide compression, warmth and lateral stability when performing functional movements such as dead lifts, pistols and squats. Unlike other supports, knee caps are extra tall and designed to compress the vmo at its insertion point above the patella to help ensure proper stability and tracking. Knee caps also provide compression and warmth to promote blood flow. Heat sealed seams for better contouring added height for vmo support available in 5mm or 7mm neoprene thicknesses sold as pair two knee caps per package 5mm vs. 7mm the difference between the two is support. The 7mm knee caps offer more compression, warmth and stiffness. All of these contribute to more support. Sizes for sizing, measure the circumference of your leg around the center of your patella. Xs 11.5 and below sm 11.5 13.5 md 13.5 14.5 lg 14.5 15.5 xl 15.5 above the vastus medialis muscle is one of four quadriceps muscles. It is located on the inner part of the front of the thigh. The lowest part of the vastus medialis, called the vastus medialis oblique vmo, achieves its maximum contraction during full extension. The vmo helps to stabilise the patella and allow it to track properly.