Oakley is know for their lens technology and they bring the ability to customize your Crowbar goggles to match your riding terrain and conditions. Oakley produces their Crowbar lens' out of optically pure Lexan® for the best unobstructed vision, but maintaining 100% UV protection and durable impact resistance. The Crowbar lens is equipped with tear off posts. Oakley Crowbar Lens Details: Blue Lens: Flat to medium light that boosts contrast. 56% light transmission. Fire Iridium Lens: Low to medium light with the advantage of Iridium® to improve acuity and further tune contrast while reducing glare. 52% light transmission Gray Lens: Medium light with a neutral transmission for truer color perception. 50% light transmission. Black Iridium Lens: Medium to bright with the advantage of Iridium® to improve acuity and further tune contrast while reducing glare in bright conditions. 25% light transmission Clear Lens: Allows maximum amount of light to transmit for most accurate view. 90% light transmission Dark Gray Lens: Medium to bright light with a neutral transmission for truer color perception. 24% light transmission Persimmon Lens: Flat to low light that filters blue light to boost contrast and increase depth perception in overcast and shaded conditions. 62% light transmission VR28 Lens: Medium to bright light that filters blue light to boost contrast and increase depth perception in overcast and shaded conditions. 28% light transmission