Included H1-CH (Orange), Ear Protection, Shield Mounting Kit, Mesh Metal Shield. Type I Class C. ANSI Z89.1 Standard. With Ear Protection and Mesh Shield Installed! OSHA Approved for your JobSite. Features: ANSI Z89.1. Sliding breathable vent system on top of the helmet provides ultimate adaptability. Headlamp, Visor & Earmuff Attachment Points. Chinstrap with chin-cup for extra security. Suspension System for extra top impact protection. Hi-Viz Design with front & back visibility. Comfort + Sweatband developed specifically for construction applications. Lateral chin strap adjustment. Universal size. Anti-Scratch Visor Kit Included and Installed with mounts. Mesh Metal Shield provides great protection against brush. Ear Protection is rated for -24db and complies with ANSI S3.1.