The Gateway StarLite Foam Pro Safety Glasses feature OptiFit foam technology to block dirt and debris. The IR filter shade is ideal for light welding applications. The OptiFit Foam features a tapered design to create a more custom seal for most facial profiles. The comfortable, closed cell foam blocks dust and debris around the eyes. The lightweight glasses feature channels along the foam combine with high quality anti-fog coating to fight fogging. The glasses meet ANSI Z87.1+ and CSA Z94.3 standards.