Quake motorcycle riding bifocal sunglasses 1.50 are the best bifocals for motorcycle riding, motor cross, dirt bike, motor sports and skydive. They are equipped with high quality safety rated ANSI Z87.1 impact resistant polycarbonate smoke lenses with UV 100 protection. Vented, soft and thick EVA Foam cushions provide comfortable fit. Ultra wrap frame shields your eyes from the harmful UV, wind, dust and debris. Rubberized ear pieces provide wiggle free snug fit. Fits Small to Medium head sizes. Free Deluxe Nylon Water Resistant Hard Case with Zipper and Belt Clip and Sunglass String are included!