The Sutro family is expanded with a semi-rimless version of the popular model for a larger field of vision. Inspired by the daily lives of urban cyclists, the snug-fitting lens provides a distinctive and versatile look while protecting against wind and weather. The Prizm lens technology enhances visibility, ensuring that active athletes stay motivated and safe throughout the day. Oakley lenses are developed and tested under extreme conditions regarding mass and speed to provide uncompromising protection in a variety of challenging environments. Oakley's exclusive lens technology is designed to optimize color and contrast, thereby improving the visibility of details. Textured Unobtainium on the inside of the temples ensures better grip. The high-performance Oakley nose pads made of Unobtainium offer maximum comfort. O-Matter frame with a semi-rimless design for a larger field of vision and improved airflow. Light transmission: 12%. Lens designation: Prizm Sapphire. Protection level: 3 (8 - 18% light transmission). 100% UV protection. Lens type: tinted. Glacier suitable: no. Frame width: 132.6 mm.