Ray-Ban Polarized Ultra Lenses Sunglasses combine a minimalist rimless silhouette with high-contrast polarized/Chromance optics for everyday sun protection and enhanced visual clarity. Key attributes: Blue | Blu | Polycarbonate | Polarized lenses | UV400 protection | Chromance lens option | Prescription capable: No | Available in 59 mm and 62 mm sizes | Rimless frame | Irregular frame shape | Grey mirror gradient lenses (63315J) | Dimensions & fit: Size 62-16-145 (lens width - bridge - temple, mm) | Size 59-16-145 (lens width - bridge - temple, mm) | Lens height 45 mm | Composition & care: Polycarbonate | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and chemical solvents.