Features Technologies BiSphaera? Product overview More features Seamlessly transition from dominating competition to owning the daily hustle with BiSphaera. The dual-lens performance sunglass is designed for the athlete who is looking for a versatile frame that offers all the benefits needed for sport and life. It?s constructed from lightweight O Matter?, and features Unobtanium nosepads and earsocks, for a comfortable fit with no-slip grip. Available with Prizm? Lens Technology and Oakley Authentic Prescription lens options to elevate your game. FRAME LENSES Size: L (135mm) Sold in one unique size Lens Height 41.4 mm Frame Width 134.75 mm Arm Length 136 mm Lens Width 68 mm Bridge Width 6 mm ? DESIGNED FOR MULTI-SPORT USAGE: Modern, twin lens design with optomized retention and comfort ? LIGHTWEIGHT AND DURABLE: O Matter? frame material provides all-day comfort ? NO-SLIP GRIP: Unobtainium nosepads and earsocks provide no-slip grip when wet to help increase retention ? SEE MORE DETAILS - Prizm? Lens Technology engineered to enhance color and contrast to see more detail ? PRESCRIPTION READY - Available with Oakley Authentic Prescription lenses that come laser etched with the ellipse logo on left wearing lens for proof of Oakley authenticity and quality TECHNOLOGIES INCLUDED Impact Protection Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions. Prizm? Oakley?s exclusive lens technology designed to enhance color and contrast so you can see more detail.