Ray-Ban RB4420 Sunglasses pair a bold, square silhouette with blue polycarbonate lenses for reliable eye protection. The lightweight nylon frame is designed for comfortable, all-day urban wear. Key attributes: Black | Nylon | 100% UV protection | Impact-resistant polycarbonate lenses | Lightweight frame | Square shape | Full rim | Single bridge | Shiny finish | Dimensions & fit: Lens width: 65 mm | Bridge: 18 mm | Temple length: 145 mm | Lens height: 47 mm | Oversized fit | Best for heart, round and oval face shapes | Composition & care: Nylon (frame) | Polycarbonate (lenses) | Wipe lenses with a microfiber cloth. Store in the supplied case when not in use. Avoid contact with chemicals and prolonged exposure to heat.