LPR ligament knee brace is crafted of high grade, aerospace aluminum and shaped to offer the stiffness and support your patients need for ligament stabilization. The LPR is one of the lightest knee braces available. Diagonal strapping opens up the popliteal space and offers full range of motion for all levels of activity. Combining ligamentous support and patient comfort and compliance – the LPR – Ligament Protection Redefined.