Kaleos Barbarella C17 Sunglasses pair a bold, thick acetate frame with photochromic lenses for automatic light adaptation and reliable UV protection, ideal for an urban, sophisticated look. Key attributes: Black | Nero | Acetate | Photochromic lenses (automatic light adaptation) | UV protection | Acetate temples for stability and comfort | Stable, handcrafted construction | Thick acetate frame | Refined milling around lenses | Contemporary distinctive silhouette | Green photochromic lenses | Composition & care: Frame: 100% acetate | Lenses: photochromic