Jackson Safety Sentry III hard hats provide on-the-job protection your workers. They are intended to reduce the force of impact that could result from a blow to the top of the head. These low-profile, silhouette-styled safety hats meet ANSI Z89.1 - 2009 requirements for impact (as well as Class C, G and E). They feature a six-point ratchet suspension system and a flat, customizable front area. You can customize these safety hats to suit your needs: They will fit head sizes 6.5 to 8 and have accessory slots for attaching additional compatible personal protective equipment. When you need to protect yourself and your team, trust Jackson Safety Sentry III hard hats as your first line of defense against potential head hazards.