Tear it up with the Bobster MX1-200BK which offers superior quality and functionality. The flexible lens provides 100% protection from harmful UVA & UVB light while lens studs hold convenient, easy-to-use tear off strips. The lenses have anti-fog injected into the lens material to eliminate any potential for lens fogging. The high quality, 3 layer foam (Neoprene, Open Cell Foam & Fleece) The adjustable strap come standard with silicone non slip strips to keep your goggle in place. *Please note that while these glasses would presumably pass ANSI Z87.1-2010 standards, they are NOT certified, and are therefore not endorsed as safety eyewear by Safety Glasses USA.