KOO Supernova Black Sunglasses (Pink Photochromic Lens)Weighing a minuscule 21 grams and with an incredibly clear light adapting Photochromic lens, you'll barely know the KOO Supernova Black Sunglasses (Pink Photochromic Lens) are there.Running, riding, paddling, climbing - the Supernova Black Sunglasses are a versatile multi-sport performer, protecting your eyes from UV rays and keeping your vision clear as you get your outdoor adventure kicks. The key to the clarity of the Supernova is the impact-resistant and UV-protective ZEISS® nylon toric Photochromic lens. With a wide wrap-around aero shape you'll enjoy a panoramic view of the roads and trails ahead, always able to spot your next turn.As you ride or run through forests, across exposed moors, windswept hilltops and deep valleys, the lens deals easily with the varying light conditions you'll encounter. It provides optimal clarity without altering surrounding colours.When you're on the move, the 'Antigravity Tech' frame and arm design provide an incredibly secure fit. The temples are engineered with high levels of flexibility and breaking resistance while the nose pad is interchangeable. Photochromic Pink LensLens Colour: Photochromic PinkFilter Category: 1 - 3Light Transmission: 11.5 - 73%FeaturesUltra-lightweight at only 21 gramsFrameless single lensNylon toric lens by Zeiss®Shatter-proof, anti-reflective and 100% UV ProtectionHigh temple flexibility and breaking resistanceSuperior field of visionInterchangeable nose padHydrophobic technology anti dropAsian nose bridge included in the packagingBuy KOO Sport Sunglasses from Chain Reaction Cycles, the World's Largest Online Bike Store.