Endura Piranha, Light Reactive Sunglasses After the sucess of their Popular Stingray & Shark cycling sunglasses Endura have expanded their range to cover a wider selection of eyewear, including the technical, versatile Piranha with photochromatic lenses, which means they get darker in brighter light making them useful in a wider variety of weather conditions without having to change lenses. As with any light reactive lens the Piranha's photo-chromatic effect is not instant but gradual over a number of seconds, so there's no real advantage when charging through forest trails, in & out of sunny clearings, but in most situations & particularly for road riding the Piranha is a versatile & useful option for both sunny & overcast days.2-piece photochromic Lens Ergonomic MTB cycle fit with optimal protection Rubber-touch nose piece Temples with soft rubber-touch overlays Carry case & microfibre bag Dual purpose glasses for on & off the bike Supplied complete with hard case & soft wipe microfibre carry pouch