Bolle CrestShiny Anthracite/Matte / Brown Emerald LensesPresenting new Bolle Crest. B-20.3 polycarbonate lenses give clear, distortion-free views. These lenses are extremely strong (in fact, they're 20 times more impact resistant than glass – and they're three times lighter).Hydrophobic coating stops water, dirt and oils from clinging onto lenses. These come with anti-reflective coating too.B88 nylon frames are lightweight for a comfortable fit that lasts all day. But they're ultra-strong too. Here ThermoGrip nose pads and temple tips ensure Crest stays firmly in place.CarboGlas coating adds scratch resistance. UV400 lenses. Bolle sunglasses come with a one year warranty.