Designed with performance in mind, Sutro gives cyclists a bold and versatile look that they can confidently wear on and off the bike. Fit & Design: High-wrap, semi-rimless frame designed to increase field of view and improved ventilation Durability and all-day comfort of lightweight O Matter(TM) frame material Unobtainium(TM) nosepads increase grip with perspiration to help keep the eyewear securely in place Ridged textured Unobtainium(R) added to the inside of the temple for retention Technology: Designed with Prizm(TM) Lens Technology to enhance color and contrast so you can see more detail 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