Ray-Ban RB4378 Sunglasses pair a transparent grey full-rim frame with dark blue polarized lenses for reliable sun protection and everyday wear. The square silhouette flatters multiple face shapes while offering prescription compatibility. Key attributes: Transparent grey | Dark blue | Plastic | UV protection | Impact-resistant lenses | Polarized lenses | Prescription-compatible | Includes original Ray-Ban case | Square shape | Full-rim frame | Transparent frame | Dimensions & fit: Lens width: 54 mm | Bridge: 16 mm | Temple length: 145 mm | Height: 47 mm