Serengeti Tellaro 8820 Sunglasses combine a metal double-bridge frame with photochromic, polarized mineral-glass lenses for reliable glare reduction and clear vision in changing light — ideal for driving and outdoor use. Key attributes: Black | Metal | Photochromic (light-adjusting) mineral glass lenses | Polarized lenses | UV protection (UV400) | Category 3 sun protection | Adjustable nose pads | Double-injected rubber temple tips for comfort | Prescription-friendly (prescriptable lenses) | Includes original case and microfibre cleaning cloth | Double bridge | Navigator / square shape | Full-rim metal frame | Shiny gunmetal finish | Dimensions & fit: Lens width: 60 mm | Lens height: 45 mm | Bridge: 17 mm | Temple length: 143 mm | Large fit | Composition & care: Frame: Metal | Lenses: Mineral glass | Clean lenses with the supplied microfibre cloth and store in the original case; avoid abrasive cleaners and exposure to high heat.