Fly Racing 5 Pivot Knee Guards (BLACK) The ultimate knee guard. Unique five-pivot design - with unique ergonomic shin pivot, the Knee Guard moves with your leg front-to-back as well as side-to-side, providing shin, knee, and lower thigh coverage throughout full range of leg movement. Twelve-point ventilation system. High-impact, floating knee cup. Pivoting quick-release strap design.