Ray-Ban Chris Sunglasses combine a modern square silhouette with brown gradient lenses for everyday sun protection. The lightweight nylon frame offers all-day comfort and a timeless look. Key attributes: Brown | Havana | Nylon | 100% UV protection | Impact-resistant polycarbonate lenses | Prescription ready | Lightweight frame | Full-rim construction | Square shape | Keyhole bridge | Straight temples | Brown gradient lenses | Rubberized Havana finish | Dimensions & fit: Lens width: 54 mm | Bridge width: 18 mm | Temple length: 145 mm | Lens height: 44 mm | Size: 54-18 | Regular fit | Composition & care: Frame: Nylon | Lenses: Polycarbonate | Clean lenses with a microfiber cloth; avoid harsh chemicals and store in the protective case when not in use.