Serengeti Nuvino Shiny Black / Polar PhD CPG LensesIntroducing Serengeti Nuvino sunglasses from the Serengeti Sport Series. This rimless frame is unspoiled by unnecessary detail. Instead its minimalist styling marks it out. Because it's rimless, it doesn't box in your view either.Nuvino is crafted from Grilamid TR90 too. So it's lightweight for a comfortable fit yet it's incredibly durable. Megol temple tips and nose pads hold these snugly yet firmly in position. And it fits to the contours of heads.This one features CPG Lenses. This CPG (or “cool photo grey”) lens delivers unrivalled protection against glare (without colour enhancement).Spectral Control fine tunes light transmission. Now colours are vibrant and the view is sharp. Plus Spectral Control also helps block most blue light (this type of light usually damages eyes and causes eye fatigue).Serengeti lenses are photochromic too. So they lighten and darken with the conditions (even inside the car where UV is minimal). Polarisation beats blinding glare – so there's no need to squint. UV400 lenses. Serengeti sunglasses come with a one year manufacturer's warranty.