The Petzl Vertex Vent Hi Viz Chainsaw Helmet Vizir and Ear Defenders Yellow offers the highest level of safety and visibility for workers in any environment. This top-of-the-line system guarantees unparalleled protection and versatility for workers at high altitudes, arborists, and those in need of exceptional head and face safety. Choose from a range of colors to match your company's branding or personal style. Multiple ear defender options are available, including the Standard Sordin 26snr for reducing moderate noise levels and the Chipper Sordin 31snr for superior hearing protection in extremely loud environments. You can also choose from two visor options - the Clear Petzl Visor for optimal visibility and the Dark Petzl Visor for reduced glare in intense sunlight conditions. This helmet system is EN 12492 and EN 397 certified, meeting strict safety standards for climbing helmets in Europe. You can also count on superior ventilation for added comfort.