ERB® Hard Hat, Omega II® series, High Density Polyethylene, 6-Point Woven Nylon Suspension, Class C, G, E, Type 1. The Omega II® Features a Full 6 Point Woven Nylon Suspension and Accommodated a Chin Strap as Well. The Suspension Has Retaining Slots of Your Goggles and This Hat Features a Moisture Wicking Brow Pad That is Removable, Washable and Replaceable. Our Accessory Slots Accommodate a Wide Variety of Eye, Face and Hearing Product S. This Helmet is Certified When the Headband is Installed in the Reverse Position. The Slide Lock Suspension Easily Adjusts to Multiple Head Sizes. The Material of the Suspension is Specially Formulated For Pliable Comfort and Strength. It Also Provides a Smooth Friction-Free Sliding Action. This Hard Hat is SEI Certified.