Key Features:Futuristic frame design combined with a comfortable fit and genius lens changing system,Special 3 step temple length adjustment system,Polycarbonate photochromic lenses. These lens have a light transmission of 85-17%. The brighter the light, the darker the lens automatically becomes. One lens provides you with category 1, 2 and 3 levels of eye protection,Interchangeable polycarbonate lenses with special air flow system and anti-fog coating on the inside of the lens which ensures better performance in humid weather conditions,the included lenses feature a hydrophobic coating. In rain, the water will slide off the lenses while riding,High-end Grilamid frame with adjustable rubber nose piece,Colour: Matte Black.