GOG STENO C matt gray sunglasses - sports glasses that will work in all weather conditions. Specifications: - UV 400 filter provides protection against harmful ultraviolet radiation - CHROMATIC G-LENS – photochromatic lenses quickly adapt to changing lighting conditions, changing from Cat. 1 to Cat. 3. Additionally, they feature a colored mirror coating that provides protection against harmful infrared radiation and reduces glare - REFLEX G-LENS is a mirror coating that additionally protects the eyes from the effects of infrared radiation and reduces glare for increased visual comfort - HYDROPHOBIC coating prevents water from depositing on the lens surface. Water droplets roll freely down the lens surface without blurring the image. HEAD-FIT technology ensures a comfortable fit of the glasses to your head. The nose pads and temple tips are made of a material that remembers the previously given shape. Additionally, the nose pads and temple tips are easily adjustable. -Material: polycarbonate with a high hardness coefficient. It is both lightweight and resistant to mechanical damage.- Hard case included.- Frame: matte gray-black.- Lens: red mirror photochromic.