Kaleos Binea C4 Sunglasses pair a bold square acetate frame with photochromic blue lenses that adapt to changing light, offering clear vision and a sculpted, contemporary look. Key attributes: Black | Nero | Acetate | Photochromic lenses | 100% UV protection | Anti-reflective treatment | Integrated acetate nose pads | Acetate temples for comfort and stability | Square frame | Thick acetate front with milled brow | Carved upper section | Blue lenses | Dimensions & fit: Lens width: 51 mm | Bridge: 25 mm | Temple length: 155 mm | Composition & care: Frame: Acetate | Lenses: Photochromic lenses