The AO Safety 91298 XLR8 is a Yellow Hard Hat with Ratcheting Adjustments. AO Safety Yellow Safety Hard Hat Security helmet with ratchet adjustments for a comfortable fit. A comfortable, impact-absorbing, 6-point woven nylon suspension system is designed to absorb impact. The fully-cushioned brow pad absorbs moisture to help keep the wearer cool and comfortable. The brow pad is also removable, washable and replaceable. The 91298 is molded from high-density polyethylene. Meets ANSI Z89.1, Type 1, Class C, G and E.