STIHL Pro Mark Helmet System

The hard hat features a lightweight ABS thermoplastic shell and a six-point ratchet-style suspension system for improved shock absorption and overall comfort. Earmuffs are attached to help block out tool and engine sound. 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