The 23 big bore vents for no compromise airflow will keep you cool. Best of all, the Project.23 Glass Fibre uses our S.E.R.T (Seven Energy Reduction Technology) slip-plane system.Manages impact energy that can be transmitted to the brain in the event of a crashProvides rotational force managementOverall focus is on energy transmission managementDeveloped at our Prolab facility on Vancouver Island, our Project Line is the result of endless hours spent designing, developing and testing in some of the harshest and most demanding MTB riding spots on the planet. Weve tested all Project lines to destruction and are confident that theyll provide you with the reassurance that when you do have a big spillwe have you covered.Key Features:23 big bore vents for no compromise airflowS.E.R.T slip plane system reduces impacts causing C.T.EThe most ventilated full-face hardshell helmet on the marketFibreglass shell offering shock absorbency and incredible value for the moneyCRV (Crash Release Vis