Radians Quartz hard hats are full brim style hats and they are available with both ratchet and pin-lock suspensions. The shell of the Quartz full brim is made of lightweight polyethylene and they feature a soft brow band and universal accessory slots. Quartz full brim hard hats meet ANSI Z89.1-2003 Standard, Type 1, Class G & E. Order your Quartz full brim today.