The Sutro is a modern and stylish pair of sunnies that gives great wrap and incredible vision for sport. Designed with performance in mind, Sutro gives athletes a bold and versatile look that they can confidently wear both on and off the trail. The prizm black is the ultimate all rounder for road or dirt. Durability and all-day comfort of lightweight O Matter frame material Unobtainium nosepads increase grip with perspiration to help keep the eyewear securely in place. Prizm lenses are designed to enhance color, contrast and detail.