Three lens configurations are available for this line from Polarized, to shatterproof Selenite, to LATM - Light Adjusting for day and night. The innovative Seal-Tek system with soft Facial CavityTM Seals protects your eyes from dust and debris. Advanced technology allows you to determine the configuration. The result is comfortable, durable eyewear that provide clear, unobstructed vision in any light. Meets ANSI Z87.1-2003 High Velocity Standards.