Ray-Ban RB4376 Sunglasses pair classic aviator lines with lightweight plastic construction and grey gradient lenses, ideal for everyday sun protection and city wear. Key attributes: Black | Plastic | 100% UV protection (UV400) | Compatible with prescription lenses | Lightweight frame | Aviator shape | Double bridge | Full rim | Grey gradient lenses | Dimensions & fit: Lens width: 57 mm | Lens height: 52 mm | Bridge width: 16 mm | Temple length: 145 mm | Size 57 | Composition & care: Frame: plastic | Lenses: polycarbonate | Wipe lenses with a microfiber cloth and lens cleaner. Store in protective case when not in use.