Description Genuine OEM Stihl product The Pro Mar Forestry Helmet System is designed to offer premium protection to your most premium asset âyour head. The hard hat features a lightweight ABS thermoplastic shell and a six-point ratchet-style suspension system for improved shock absorption and overall comfort For hearing protection, Stihl has used their NRR 25 earmuffs to help block out tool and engine sound. The visor is a durable steel mesh full-face screen, designed to protect your face from flying debris. And a built-in rain gutter directs rain away from your face during inclement weather. Meets ANSI requirements for earmuffs (ANSI S3.19-1974) and have a Noise Reduction Rating (NRR) of 25 dB(A), visor (ANSI Z87.1-2003) and hardhat (ANSI Z89.1:2009). Type 1 Class C