Ray-Ban RB4452CH 633180 Sunglasses pair a sand dark blue PEEK frame with Blue Chromance polarized lenses for reduced glare and improved contrast. Designed for everyday wear, they deliver reliable sun protection with a modern square silhouette. Key attributes: Sand dark blue | Peek | Polarized lenses | Blue Chromance lens technology | 100% UV protection | Includes original case and accessories | Square frame | Full rim | Modern classic silhouette | Opaque finish | Dimensions & fit: Lens width: 56 mm | Lens width: 59 mm | Bridge width: 20 mm | Temple length: 140 mm | Temple length: 145 mm | High bridge fit | Composition & care: Peek | Polycarbonate | Wipe lenses with a microfiber cloth and mild lens cleaner. Store in the included case when not in use. Avoid abrasive cleaners and extreme heat.