Polyethylene shell with 4-point Fas-Trac® ratcheting suspension. Standard size fits head sizes 6-8. Type 1 helmet meets or exceeds ANSI Z89.1-2003 and CSA Z94.1-2005 specifications for Class E. Third Party Certified by Safety Equipment Institute. Accessories designed specifically for the V-Gard® Hat are available. All V-Gard® helmet backs contain the Klein logo with American flag. Logo color varies depending on shell color. V-Gard® and Fas-Trac® are registered trademarks of MSA, the safety company.