The troy lee tbone knee guard is a must have for all your riding adventures with an ergonomically shaped light weight design it is incredibly comfortable and most importantly provides immense protection for when you inevitably fall off your bike from pushing too hard with a molded eva outer shell that includes a ballistic nylon cover the troy lee tbone is insanely sturdy and guarantees to cushion even the hardest of falls a memory foam knee cup is what makes this knee pad so