Kaleos Cobb Sunglasses update the classic cat-eye with a contemporary, glossy acetate frame and green photochromic lenses that adapt automatically to changing light for reliable visual comfort. Key attributes: Black | Nero | Acetate | Photochromic lenses (adapt to light) | 100% UV protection | Anti-reflective treatment | Integrated acetate nose pads | Lightweight construction | Cat-eye silhouette | Glossy acetate finish | Thin front and temples | Dimensions & fit: Lens width: 53 mm | Bridge: 16 mm | Temple length: 145 mm | Lightweight, balanced fit | Composition & care: Acetate frame | Photochromic CR-39 lenses | Clean lenses with a microfiber cloth and mild lens cleaner; store in a protective case when not in use; avoid exposure to heat and harsh chemicals.