The men\'s anon. Helix 2.0 goggle offers low-profile eye protection. Cylindrical Lens Technology provides maximum field of vision without distortion, and full perimeter channel venting ensures maximum airflow for clear, fog-free vision in all conditions. The goggle is Over the Glasses (OTG) compatible for wear with eyeglasses. Includes a spare lens and micro-fiber goggle bag for storage and cleaning the lens. LENS SPECIFICATIONSWhite Frame:-Silver Amber – VLT 35% - Partly Cloudy Tints- Allows 30%-54% of the suns light through then lens to your eyes, providing optimal vision on partly cloudy days. -Amber – VLT 55% - Graybird- A tint that allows 55%-85% of the suns light through the lens to your eye, providing optimal vision on cloudy/grey days