The knee pad has an elastic hook-and-loop closure. This is practical for an injury with swelling that subsides later, allowing the pad to be tightened slightly. It can also be removed completely, for example, before sleeping. Two soft, flexible stays on each side ensure the pad stays in place. Measure the circumference of your thigh 13-16 cm above the kneecap. Available in sizes S (35-41 cm), M (39-41 cm), L (42-46 cm), XL (46-52 cm), XXL (52-61 cm), and XXXL (60-64 cm).