Size:Small Â |Â Color:Black Red *****Size Chart***** M (57-58 CM,22.4/22.8 Inch) L (59-60 CM,23.2/23.6 Inch) XL (61-62 CM,24.0/24.4 Inch) *****ILM 902 Helmet***** The ILM 902 Modular Helmet is perfect for city and touring use with its rich array of standard features and top performance in terms of comfort, dimensions, safety and functionality. The 902 Helmet is the ideal helmet for those in search of the aesthetics and safety of a fullface helmet and the practicality of an open helmet. The design of the 902 helmet largely reflects that of ILMâs latest innovations. With the chinbar in the closed position, the performance is that of a fullface helmet, thanks to the streamlined chin guard perfectly integrated into the lines of the shell. When the chin guard is open the helmet is very compact and features the shortest shell/chin guard distance in its segment, this contributes to limiting the sail effect during use with the chin guard open.