Ride all day and night without changing sunglasses with the Biker Armour Evolution Photochromic Motorcycle Sunglasses.  The Evolution is our slightly larger frame and provides more coverage than our other frames.   Photochromic lenses change from clear to dark smoke in less than 20 seconds when exposed to sunlight.  Lenses are constructed of impact resistant polycarbonate tp protect your eyes from harmful projectiles.   Eyewear also equipped with a foam cushion gasket to block wind, dust and debris so you can ride without squinting or tearing.  Available with BikerArmour Photochromic Lenses or genuine Transitions ® XTRActive™lenses.  FITS MEDIUM TO XLARGE HEADS. See how the lenses change below:

Watch How our BikerArmour Photochromic Motorycycle Suglasses Change Color