Radians Quartz™ full brim hard hat has a high-density polyethylene construction it is designed to meet ANSI Z89.1 type 1 and class G and E protection. These full brim hard hats will provide their wearer with added protection from dropped objects as well as sunburns. They offer a very adjustable and comfortable fit with either a ratcheting or pinlock suspension and a pillow brow padding. .