Serengeti Danny Sunglasses pair a timeless square acetate frame with Serengeti’s mineral photochromic and polarized lenses for clear vision in bright and changing light. Designed for everyday wear, they balance classic style with high-performance optics. Key attributes: Black | Bio-acetate | Photochromic lenses | Polarized lenses | Spectral Control® technology | Anti-reflective coating | Ultra-light mineral lens | 5-barrel hinges | Adjustable temple tips | Square frame | Timeless silhouette | Dimensions & fit: Lens width: 54 mm | Bridge: 24 mm | Temple length: 145 mm | Large fit | Unisex fit | Composition & care: Frame: Bio-acetate | Lens: Mineral glass (polarized, photochromic, Spectral Control)