DARK SMOKE LENS: Our dark smoke lens blocks prolonged UV sun exposure and provides 13% visible light transmission (VLT) to fit your workplace environment, while meeting the ANSI Z87.1 standards RIMLESS DESIGN: The rimless lens design on these safety eyeglasses provide wide field of vision and equipped with beveled edges for added protection on the job ANTI FOG: Advanced anti-fog lens coating dissipates fogging six times faster than basic anti-fog glasses to ensure you get a maximum field vision, making this protective eyewear the perfect tool for any job