TLD T-Bone Knee GuardTroy Lee Designs T Bone Knee Guard This lightweight, easy to wear knee guards will protect your knees when you run out of talent, and give you the confidence to ride at a higher level. Dual straps on the top and bottom keep the T Bones in place. Molded EVA outer shell with ballistic nylon cover Knee cup consists of a combination stack of EVA, TPR and memory foam Ergonomically contoured with 2 elastic Velcro closures and internal silicone grippers