Bolle lightshifterelite cycling eyewear, the bolle lightshifter sunglasses put vision first with a large, protective lens and a lightweight, rimless design.the large lens and rimless frame design provide an expansive, unobstructed field of vision.ensuring that your vision remains clear the lens comes with integrated vents which boost airflow and prevent your vision from misting up'. '.strtoupper('a')lso, the lens comes with a hydrophobic lens treatment which stops water from pooling on the lens.stabilising the fit, the temple tips and nosepiece are coated in thermogrip which keeps the glasses in position against sweat and moisture.featuresoptical clip compatible not includedhydrophobic lens treatmentadjustable nosepiecesthermogrip components for added stabilityinterchangeable lens systemcompatible with prescription lenses not includedintegrated vents into the lensbuy bolle sport sunglasses from chain reaction cycles, the world's largest online bike store.