Spektrum Ostra Bio Photochromic Goggles Black, One Size

stra Bio Photochromic Black is equipped with a one lens for all condition Photochromic Blue Revo lens. This top of the line lens is an optical lens that darken on exposure to specific types of light of sufficient intensity, most commonly ultraviolet (UV) radiation. In the absence of activating light the lenses return to their clear state. Molecules of silver chloride are injected in Spektrums photochromic lenses. stra Bio Photochromic Black is a fully featured top-of-the-line goggle built in plant-based materials comes with magnetic lens exchange system for quick and hassle-free switches on the go. To prevent the optically precise cylindrical Photochromic lens from shooting out of your frame weve added a lock function at the sides to firmly secure it, you cant trust magnets alone!Strap outriggers ensures a great fit with your helmet and an unsurpassed field of vision helps you spot that elusive landing during advanced spins or just to have full control of your surroundings during your ride.