The Protos Integral Arborist helmet from Pfanner is simply the most advanced helmet system available today.The perfect fit and optimum hold of the Protos make it perfect for working at heights where face protection is indispensable. The ear protection and face shield are integrated into the shell of the head protector, thus preventing them from sticking to branches and protruding parts.The special construction of the Protos allows the cooling air to flow in from all sides and escape through the ventilation slide. This ensures that the head does not collapse even during the most strenuous activities.The guidance of the chinstrap is constructed so that it can not slip under the hearing protection and influence the noise level or the wearing comfort. Thanks to the deep neck shell, the head protection sits perfectly even when tilted and over-the-head, providing a secure hold. In addition the entire modular principle is adjustable with only two fingers. This model is additionally equipped with a chinstrap.For safety reasons, the outer helmet shell should be replaced every 5 years.Features:Certified to EN397 and EN 12492All functions can be activated with just two fingers making operation of the helmet easy.Even weight-distribution and adjustable neck piece allows perfect, secure and comfortable fit, even without the chin strap.Chin strap was designed to prevent the chin strap from slipping under the ear protector.Adjustable vent flow on helmet (vents can be opened or closed) allows for use in varying conditions.Integrated hearing protection, with low-profile design (no prominent parts to get caught on branches).Extraordinary wicking of perspiration via large and exchangeable pads with Klima-AIR technology."Swept back" helmet design allows for better field of view for the wearer.Only arborist helmet offering side and rear impact protection.