MSA Safety Works Hard Hats meet all applicable requirements of the American National Standards Institute ANSI Z89.1-2003. Type I, Classes E (Electrical) and G (General).; This hard hat is the best selling hard hat in the world, and with good reason! MSA Hard Hats are renowned for their excellent comfort, fit and style. These lightweight hard hats offer superior balance on the head, allowing comfortable, all-day wearing. The unique Staz-on suspension ensures that the hard hat can stay in place, even when bending over.; Sold each.