Kaleos Binea C3 Sunglasses combine a structured acetate frame with photochromic lenses for clear, adaptive vision in changing light. The model pairs architectural detailing with everyday protection. Key attributes: Gray | Grigio | Acetate | Photochromic lenses | 100% UV protection | Anti-reflective coating | Category 3 sun protection | Integrated acetate nose pads | Acetate temples for comfort | Handmade construction | Square frame | Milled brow / brow carving | Thick acetate front | Coordinated acetate temples | Upper fresatura for depth and luminosity | Dimensions & fit: Lens width: 51 mm | Bridge width: 25 mm | Temple length: 155 mm | Composition & care: Acetate (frame) | Photochromic lens | Wipe lenses with a microfiber cloth and store in a protective case.