The Bionic™ offers enhanced protection from airborne debris and has excellent optics and increased visibility. Light weight and balanced ergonomic design allows for extended use. Has comfortable cell foam padding on the back of the headgear and breathable removable and washable headband in the front. Can be comfortably worn over most goggles and respirators. Complies with ANSI Z87.1-1989 and CSA Z94.3-1992 Standards. http://www.arksafety.com/images/productLines/UVBionic.jpg