With breakthrough protection technology and previously unseen advanced comfort and functionality features, the Nova 3® is designed to advance safety and productivity for operators putting` in full shifts under the helmet. The ratchet adjustable padding system provides a custom fit and the molded side pads absorb sound to protect your hearing. They sit comfortably against your head to ensure the helmet moves with you. All parts are field replaceable to minimize downtime and the padding system is machine washable for hygiene purposes.