Serengeti Metal Sunglasses combine classic aviator proportions with photochromic mineral-glass lenses for adaptable sun protection and clear vision in changing light. Key attributes: Black | Red | Metal | 100% UVA & UVB protection | Photochromic lenses | Blue-filter | Mineral glass lenses | Filter category 2 | Spring hinge | Branded case included | Aviator silhouette | Full-rim metal frame | Red lenses | Dimensions & fit: Size 58-18-145 | Lenses height 49 | Frame width 145 | Temples length 145 | Bridge width 18 | Lenses width 58 | Composition & care: Metal | Mineral glass