Clear - Allows max visible light for indoor applications.Smoke / Gray - Worn to reduce glare, usually outside.Indoor / Outdoor - Light tint for moving from indoor to outdoor activities.Amber - Ideal for low light environments. Defines by blocking out much of the blue light.Red / Rose - For applications such as inspection. Enhances target point sighting of red leveling beam.Blue - Reduces glare from artifical light. Also worn outdoors to reduce glare.Green & IRUV - Protects from excessive glare and UV / Radiation. Enhances contrast. IRUV worn with welding tasks.