Serengeti Borrego Sunglasses pair an angular, square frame with advanced lens technology for clear vision in bright and changing light. Designed for everyday wear and driving, they balance performance and refined style. Key attributes: Gray | Transparent | Acetate | Photochromic lens | Polarized lens | Spectral Control technology | UV protection | RX not available | Lightweight construction | Angular square frame | Contemporary silhouette | Dimensions & fit: 55x19x145 | Medium fit | Composition & care: Acetate frame | Mineral lens | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and harsh chemicals.