The Gauge 8L is an evolved pilot goggle. This is due to the classic pilot design with straighter angles and the latest techniques. Such as the Mono-Shock hinges and the light stress-resistant C-5 frame. The Plutonite lenses of the Oakley Gauge 8L filter 100% of all UV/A, UV/B and UV/C and harmful blue light up to 400 Nm. These Oakley Gauge 8L lenses are also available in polarized and prizm (contrast enhancing)