Oakley Latch Beta Sunglasses pair a secure latch design with Prizm Sapphire polarized lenses to improve color contrast and reduce glare for everyday outdoor use. Key attributes: Matte grey ink | Blue | O Matter | Prizm Sapphire polarized lenses | UV protection | Impact-resistant lenses | Latch mechanism to attach to clothing | Lightweight injected frame | Square frame | Signature front latch detail | Dimensions & fit: Lens width: 54 mm | Bridge: 18 mm | Temple length: 140 mm | Lens height: 44.7 mm | One size | Recommended for oval, heart and round face shapes | Composition & care: O Matter (frame) | Polycarbonate (lens) | Clean lenses with a Microclear or microfiber cloth and store in the protective case. Hand wash Microclear bag and air-dry.