Replacement lenses fits on all adult-models (The Racecraft, The Accuri, The Strata). Clear All purpose lens provides maximum amount of light allowance for all conditions. Smoked Neutral tint reduces glare while providing accurate color perception in medium to bright light conditions. Darksmoked Dark tint reduces glare while providing accurate color perception in medium to bright light conditions. Persimmon Ideal for overcast conditions.Depth perception is improved with increased contrast. Orange Increased depth perception and contrast. Great for overcast conditions. Yellow Perfect for flat, low light conditions. This lens improves the contrast and definition of any obstacle you encounter Blue Increased contrast for varying conditions. Ideal for medium to low light.