"Full brim hard hat with ratchet suspension. Rain trough on sides and back of helmet channel moisture away.Low profile design. Shell Constructed from High Density Polyethylene. Universal accessory slots fit cap mounted ear muffs and chin straps. Soft brow pad is replaceable and washable. Ratchet suspension is easy to adjust-allows the wearer to modify the fit while wearing. Meets ANS1 Z89.1 standards, Type 1 - Class C, G, and E "