Serengeti Carroll Large Sunglasses pair an archival-inspired double-bridge metal frame with ultra-light mineral lenses. They deliver polarized, photochromic optics designed for clear vision across changing light conditions. Key attributes: Gray | Indeterminado | Metal | Polarized lenses | Photochromic lenses | Anti-reflective coating | Spectral control | Ultra-light mineral lens | Lens category 2 to 3 | Adjustable nose pads | Flex hinge | Adjustable temple tips | Prescription lenses not available | Double-bridge silhouette | Archive-inspired design | Dimensions & fit: 58 x 18 x 145 mm | Large fit | Base curve 6 | Composition & care: Frame: Metal | Lens: Ultra-light mineral glass