New design for better coverage and comfort. High Grade Polycarbonate Lenses for clearer vision. Amber Tint: Brightens the target improving clarity,. Improves both contrast and depth perception, good all around choice for shooting, hunting or in low level light conditions. Yellow Tint: Provides maximum enhancement to vision by improving contrast giving a sensation of heightened visual acuity. Yellow lens blocks haze and blue light. Clear: Good for situations when no contrast is needed.