JSP EVO2 green mid peak vented safety helmet Product information EVO2® features a traditional 6-point polyethylene harness and the unique OneTouch™ slip ratchet for easy head adjustment. The EVO2® offers the most economical solution for top level head protection. Conforms to EN397. Tough HDPE shell In tests the EVO2® proved far tougher than the EN397 standard required and far tougher than any of its competitors. Cross Conformity The EVO3® & EVO2® safety helmet both meet the European EN397 industrial head protection standard as well as the US ANSI/ISEA Z89.1 Type 1 standard required and provides optimum performance in todays advanced environment. Harness Traditional 6-point polyethylene harness.