6-point Ratchet Nylon Suspension Ratchet nylon suspension is easy to adjust allowing wearer to modify fit while wearing the hard hat. Lightweight polyethylene with impact-absorbing ridges. Three vertical adjustments for proper crown height positioning. Rain trough channels water off cap to help keep neck and shoulders dry. Universal accessory slots fit most cap mounted ear muffs. Soft brow band is washable and reusable. Meets ANSI Z89.1-2003 Standard, Type 1, Class G&E Orange