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. This hats color meets the chromaticity and luminance requirements for background material in ANSI/SEA 107. The Slide-Lock suspension easily adjusts to over 40 different head sizes between 6 and 8. 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.