Features: Wayfarer Sunglasses Colour: Pop Lock Satin Frame: Polycarbonate Lenses: Base-6 Polycarbonate lens Hardened steel hinges UV400 protection (UV400 protection is the highest level of protection your lens can have. It blocks 100% of all harmful light from the sun.) Size Guide: Wayfarer Sunglasses Lens Category Level Guide: Lens Category Lens Tint Suitable 0 Clear / Very light Indoor Fashion or comfort purposes 1 Light Limited sunglare reduction Some UV Protection 2 Medium Average levels of sunlight Good UV Protection 3 Dark Strong sunlight including light reflected off water or snow Good UV Protection 4 Very Dark Good UV Protection includes mountains and glaciers. NOT suitable for driving About Dot Dash: Dot Dash Sunglasses is a maker of quality eyewear at affordable prices. Buy Dot Dash Online at SurfStitch.com!