Description High-Density Polyethylene (HDPE) white construction hard hat shell designed for strength Extended back brim of this Safety Works hard hat helps protect neck and ears from the sun’s UV rays, as well as a run-off for rain and snow 4-point suspension with “3D height adjustment” Wheel Ratchet is easy to use and creates a firm comfortable fit Premium moisture managing sweatband Universal accessory slots accepts virtually any competitors’ accessories Meets ANSI/ISEA Z89.1,Class E / CSA Z94.1-05, Type 1 requirements