Bolle b rock pro matteelite cycling glasses, the bolle b rock pro matte sunglasses are built for cyclists that like to take thing to the extreme, with an ultra rugged design with large shield lens.the protective frame comes with integrated side shields and a super durable construction'. '.strtoupper('m')eanwhile, keeping the glasses stabilised during your most intense rides the temple tips and nosepiece are fully adjustable, for a custom feel, and coated in specialised thermogrip which works against sweat and all other moisture.the large lens provides an extra wide field of vision that offers impact and abrasion protection'. '.strtoupper('a')dditionally, the lens is treated with an anti scratch, anti fog and oleophobic treatment.the lens comes with bolles phantom lens technology which automatically adapts the lens tint to provide you the best coverage based on your surroundings'. '.strtoupper('i')n bright lighting conditions the lens will darken'. '.strtoupper('i')n low lighting conditions the lens will lighten.featuresremovable brow barcompatible with prescription lenses not includedphantom adaptive lens technologyadded side shieldsanti scratch protectionanti fog treatmentthermogrip components for extra stabilisationoleophobic lens treatmentadjustable temples and nosepiecesinterchangeable lens systembuy bolle sports sunglasses from chain reaction cycles, the world's largest online bike store.