Peak series hard hats are versatile and dependable with a grooved HDPE outer shell and rain trough. These hard hats have a ratchet adjustment that is ideal for quick setting changes and won't fall off even if you are upside down. The accessory slots that are built in add to safety along with the 4 point suspension and 3 level height adjustment. There are 3 anchor points for the chin strap on these ANSI Type 1, Class E compliant hard hats. The peak series helmets are lightweight, comfortable and durable.