5 Interchangeable Lenses - All the lenses are UV400 Protection, blocks 100% of all UVA, UVB and harmful blue light up to 400nm. Please be noted that only the Grey Lens is polarized. Interchangeable Lenses let you change lenses in seconds to optimize vision in any sport environment. Allow for easy and convenient to carry and install. Yellow Lens for Night Activities, Clear Lens for Anti-fogging & Waterproof, Polarized Grey Lens for driving and other outdoor strong light environment etc.