MSA 475363 V-Gard Helmet w/Fas-Trac Suspension, Ratchet, RedThese MSA hard hats are the number one hard hat for most industrial applications. The shell is made with a durable injection-molded, high-density polyethylene. These MSA hard hats come with Fas-Trac, rachet suspension for superior head protection. In addition, this MSA cap is designed with an accessories slot to accomodate many add-on features and also includes Cushionaire sweatband and adjustable crown straps.