Nylon frame Polycarbonate lens Non-Polarized Lens width: 140 millimeters ROKA SR-1X PERFORMANCE SUNGLASSES The SR-1x offers every athlete the perfect fit courtesy of adjustable titanium core wires. Featuring Patented GEKO technology for unparalleled retention on the roughest of courses, our world-class C3 lenses and lens coatings, and simple lens interchangeability, the SR-1x delivers an enhanced field of view in an uncompromising sport frame for racing and training. Weighing in at only 25g, the SR-1x provides a 9% enhanced FOV at only a 1g penalty over the SR-1. GEKO Patented Fit and Retention System DESIGN EVOLVED OVER A BILLION YEARS. Inspired by the soft but amazingly sticky feet of the gecko, our patented GEKO fit and retention system features a proprietary elastomer for nose and temple pads that’s hydrophilic, chemical resistant, and supports multi-directional traction with comfort. It’s also designed to not snag hair. No matter how sweaty you get, and which way you move, bounce, or shake — you’ll never have to worry about slippery frames falling off your face. ROKA C3 Lenses + Advanced Coatings ROKA optics are more that just a lens. We design for performance in the real world. We don’t cut corners on coatings that are mission critical to performance and quality to save dollars.