Polaroid 4187/G/S/X Sunglasses combine polarized lenses with a rectangular frame and keyhole bridge for reliable everyday sun protection and easy prescription lens fitting. Key attributes: Black | Polycarbonate | Polarized lenses | UV 100 protection | Lens filter category 3 | Prescription-compatible (RX-able) | Supplied with original case and microfibre cloth | Rectangular frame | Keyhole bridge | Transparent temples with visible core | Dimensions & fit: Lens width: 51 mm | Lens height: 43 mm | Bridge: 18 mm | Temple/Arm length: 145 mm | Global Fit design for broad comfort | Composition & care: Polycarbonate | Wipe lenses with the included microfibre cloth; store in the supplied case when not in use; avoid abrasive cleaners and harsh chemicals.