Native Throttle Lens Kit - One Size - Brown - Native Throttle Lens Kit. The Native Throttle Lens Kit is a replacement lens set for the Throttle sunglasses. It would be pretty hard to throw yourself into a full sprint, a sunny hike, or a climb into the mountains without any lenses in your shades, so be sure to pick up an extra pair if yours Are scratched beyond recognition or you've lost one along the way. The new lenses will leave your eyes feeling satisfied on each adventure through the sun-baked trails and drives into town. Features of the Native Throttle Lens Kit Includes a single pair of replacement Poly Crystal Carbonate lenses for the Native Throttle 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.