CSA Type 1 Class C. Earmuff adapter included for standard P3E mount. Helmet system has an adjustable ratchet closure.
Designed specifically for tree service professionals, the STIHL Arborist Helmet is lightweight and features a six-point adjustable suspension for comfortable support. The helmet also includes multiple air vents to help keep you cool. The outer shell is made from lightweight ABS thermoplastic, while its inner shell is heavy-duty, anti-bacterial polystyrene with replaceable liner. Helmet includes mounts for optional visors and various hearing protectors.
Meets ANSI Z89.1-2009 Standard