The Peak A79R Hard Hat A versatile and dependable design, with grooved HDPE outer shell, rain trough and accessory slots. Choice of 4 or 6-point, nylon web or plastic suspension, with pin lock or ratchet size adjustment. All suspension choices feature 3-level height adjustment. Meets ANSI Z89.1-2009 and CSA Z94.1-2005 Type 1 Class E.