Feel prepared wearing Cordovas Duo white cstyle hard hat. In addition to its tough, protective outer shell, this item offers 4-point pinlock suspension allowing you to adjust the hat for a perfect fit. Its sleek low profile design gives just the right amount of protection where you need it most and the hat itself meets ANSI/ISEA Z89. 1-2009. Model # H24S1 Features: High Density Polyethylene Construction Meets ANSI/ISEA Z89. 5" L x 6. 5" W x 5" H.