Serengeti Ethan Sunglasses pair a squared, retro-inspired silhouette with the brand's mineral polarized lens technology for clear, comfortable vision in bright conditions. Key attributes: Brown | Bio-acetate | Polarized lenses | Photochromic lenses | Ultra-light mineral lenses | Spectral control for improved contrast | Comfortable bridge for secure fit | Contoured temples for stable wear | Includes protective case and cleaning cloth | Squared silhouette | Structural edges | Retro-inspired look | Dimensions & fit: Lens width: 52 mm | Bridge: 22 mm | Temple length: 145 mm | Frame width: 126 mm | Medium fit | Composition & care: Bio-acetate frame | Mineral polarized lens | Clean lenses with the included microfibre cloth; avoid abrasive cleaners and solvents. Store in the protective case when not in use.