Oakley Mainlink sunglasses pair a durable O Matter frame with Oakley lens technologies for a secure, all-day fit and improved visual clarity. They suit active use while maintaining a clean, rectangular style. Key attributes: Black | Nero | O Matter | UV protection (UV400) | Prizm lens technology for enhanced color and contrast | Impact protection with High Definition Optics (HDO) | Unobtainium nosepads and earsocks for a no-slip grip | Three-point fit for stable optical alignment | Prescription/replacement lens compatible | Rectangular full-rim frame | Matte finish | Integrated nose bridge | Dimensions & fit: Lens width: 61 mm | Bridge: 17 mm | Temple length: 138 mm | Lens height: 43 mm | Regular fit (High bridge fit) | Composition & care: Frame: O Matter | Lens: Plutonite® / polycarbonate | Clean lenses with the supplied Microclear cloth/bag and mild soap; hand wash and air-dry; store in the provided case when not in use.