Native Gonzo Lens Kit - One Size - Grey - Native Gonzo Lens Kit. The Native Gonzo Lens Kit is replacement lenses for the Gonzo sunglasses by Native. The thick framed Gonzo frames Are sure to get down and dirty into the hustle and bustle of mountain biking, hard hours of hiking, and so much more nature has to offer. It's no joke you'll be experiencing all sorts of different types of light in these situations, so why not pick up a pair or two of different colored lenses to go with the frames? Switch out for Blue Reflex when the sun is extremely bright, and pop in the Sportflex once the light is low. Options turn up the Performance. Features of the Native Gonzo Lens Kit Includes a single pair of replacement Poly Crystal Carbonate lenses for the Native Gonzo sunglasses Optical-quality, impact-resistant lenses Blocks 100% of harmful UV light Eliminates glAre for sharp, clear vision with increased contrast and depth perception P.C.C.