The design of these sunglasses recalls the 50s aviator one. Characterized by a blue bio-based teardrop lens and an amber-colored bioacetate frame, they give a typically vintage charm. Details: Frame: Bio-acetate Lens : Biobased lenses 100% sustainable packaging - Recycled case, cleaning cloth, and box. Each hinge is hand-closed by the craftsman Lenses: 100% UV protection | Filter: Category 3 Handmade in Italy A: Lens Width 52 mm B: Bridge Width 19 mm C: Temple Length 145 mm D: Frame Width 146 mm E: Lens Height 42 mm Fit Wide