For on-the-job protection, you can trust JACKSON SAFETY charger hard hats. They meet ANSI Z89.1 - 2009 standards for impact (as well as Class C, G and E) and are made of lightweight, molded HDPE (high density polyethylene). The charger hard hats have a contoured dome with a shorter bill, for improved upward vision. These safety hats are intended to reduce the force of impact that could result from a blow to the top of the head and feature a built-in rain trough. This code comes with plastic pinlock suspension and they adjust to fit heads from sizes 6.5 to 8. Plus, there are built-in accessory slots for attaching additional personal protective equipment (PPE). When you need to protect yourself and your employees against potential head hazards, JACKSON SAFETY charger hard hats are a smart choice.