The Radians Revelation Shooting Glass offers 5-position ratchet plus 4-position telescoping temples for superior fit. Soft, non-slip rubber nosepiece with self-adjusting fingers. Ventilation channel between lens and frame to reduce fogging. Polarized lenses for superior glare control. Blocks 99.9% of the sun's harmful UV rays. ANSI Z87.1-2003 compliant.