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 products. This helmet is certified when the headband is installed in the reverse position. The Slide-Lock suspension easily adjusts to over 40 different head sizes between 6-1/2 to 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.