The Full Brim Non-Vented Hard Hats features a 4-point ratchet adjustment suspension system for one hand adjustment which sits lower on the head to reduce pressure points and increase security. The full brim shell protects ears and neck from UV rays. Meets requirements of ANSI/ISEA Z89.1-2014 Type 1, Dielectric Class G and E. Meets CSA Z94.1-2015 Type 1 Class G and E requirements