Ray-Ban Square Reverse sunglasses use an inverted square lens profile for a distinctive, modern look and comfortable cheekbone alignment. The design pairs a metal frame with lightweight polyamide lenses for reliable everyday sun protection. Key attributes: Yellow | Gold | Metal | UV protection (UV400) | Anti-reflective lenses | Prescription-ready (RX-able) | Adjustable nose pads | Full-rim metal construction | Multiple size options | Square frame | Reverse/inverted lens design | Double bridge | Dimensions & fit: 54-19-140 (lens width - bridge - temple) | 56-19-140 (lens width - bridge - temple) | Composition & care: Frame: metal | Lenses: polyamide | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and harsh chemicals. Store in the protective case when not in use.