Kaleos Zerbino C3 sunglasses pair an architectural acetate frame with adaptive photochromic optics for clear, comfortable vision in changing light. Key attributes: Orange | Arancione | Acetate | Photochromic brown lenses | UV protection | Anti-reflective treatment | Variable tint (lens category 1-3) | Built-in acetate nose pads | Automatic lens tint adaptation | Includes protective case and microfiber cleaning cloth | Square frame | Double bridge | Thin temples | Amber acetate finish | Handmade | Dimensions & fit: Lens width 56 mm - Bridge 19 mm - Temple length 155 mm | Frame width 147 mm - Lens height 54 mm | Composition & care: Acetate frame | Photochromic brown lenses | Clean lenses with the included microfiber cloth and store in the supplied case. Avoid abrasive cleaners and prolonged exposure to heat.