The tinted shades perform exceptionally in bright light and provide super-clear colour and contrast for perfect vision. Made for life, the shades also benefit from a tough O-Matter frame and non-slip Unobtainium nosepads.Prizm Lens - enhanced colour and contrast for full-detailed visionClassic design provides a versatile look for everyoneFrame: Aluminium brow with durable and comfortable O-Matter lower half Non-slip Unobtainium nosepads perform even when wetFrame colour: Matt Black/GreyLens colour: GreyLight transmission: 17%Light conditions: Bright light