The JSP EVO® VISTAlens® DUALSWITCH™ industrial safety helmet combines the new EVO® VISTA® retractable goggle technology with the innovative DUALSWITCH™ chin strap system, fully certified to EN 397 and EN 12492 with the ability to easily switch between the two standards with the flick of a switch. The VISTAlens® visor offers Class B impact protection – tested with a 6mm steel ball bearing at speeds up to 430 km/h. The lens is replaceable, allowing users to swap out the standard for the VISTAshield® face shield to have the right protection at hand when needed. Lens features - optical Class 1; T - Impact resistance at extreme temperatures (Tested at -5°C and +55°C); K Rated - Anti-Scratch resistance to surface damage from fine particles; N Rated - Anti-Mist resistance to fogging; UV Protection - 2: UV filter; Molten Metal Tested; Lateral Deformation Tested