For the rider looking for a high level of impact protection that is extremely cost effective. The ROGUE Knee Guard offers CE Certified level protection while providing comfort for those long duration rides. The hard-shell outer surface combined with the plush inner padding provide the optimal combination of impact absorption and comfortability. CE1621-1 Level 1 Certified. Hard shell plastic outer layer featuring Gridguard Technology. Inner layer lined with impact-absorbing EVA foam. Adjustable elastic straps for secure fit.