The 100 Percent Accuri/Strata Replacement Anti-Fog Youth Lens are a genuine replacement lens for the youth Accuri and Strata goggles. Replace damaged lenses or be prepared with a spare. Different lenses work better in various weather and light conditions. 100 Percent Accuri/Strata Replacement Anti-Fog Youth Lens Specifications Lens Colour: Clear Filter Category: 0 Light Transmission: 88-92% Lens Colour: Silver Mirror Filter Category: 2 Light Transmission: 25%±5% Lens Colour: Green Mirror / Smoke Filter Category: 2 Light Transmission:335%±5% Lens Colour: Blue Mirror / Smoke Filter Category: 1 Light Transmission: 53%±5% Lens Colour: Red Mirror / Smoke Filter Category: 2 Light Transmission: 38%±5% Lens Colour: Gold Mirror / Smoke Filter Category: 2 Light Transmission: 28%±5% Lens Colour: Smoke Filter Category: 1 Light Transmission: 45%±2%