Oakley BiSphaera Sunglasses pair a dual‑lens sports design with a lightweight O Matter frame and Unobtanium no‑slip pads. They are built for versatile outdoor use and reliable retention in changing light conditions. Key attributes: Gray | Grigio | O Matter | 100% UV protection | Lightweight and durable frame | Impact-resistant lenses | Prizm and photochromic lens options | Unobtanium no‑slip nosepads and earsocks | Prescription-ready | Dual-lens construction for improved retention | Rectangle frame shape | High bridge fit | Twin/dual lens design | Sport-inspired silhouette | Dimensions & fit: Frame width: 135 mm | Bridge width: 6 mm | Lens height: 63 mm | Lens width: 68 mm | Side/temple length: 136 mm | Regular fit | High bridge fit | Size L (135 mm) | Composition & care: Frame: O Matter | Nosepads and earsocks: Unobtanium | Lenses: Plutonite | Clean lenses with the supplied Microclear bag or an Oakley lens cleaning kit. Hand wash and air‑dry the Microclear bag regularly. Avoid abrasive cleaners and store eyewear in a protective case when not in use.