Extended wrap-around lens for extra cheek and extra side coverage (up to 20% more. New Rx lens insert holds Rx lenses firmly in place. Soft flexible nose fingers conform to fit a variety of nasal profiles. Adjustable temples allow for a custom fit. Available with cushioned temples for all-day comfort. A wide variety of replacement lens options help to lower cost. Passes ANSI Z87+ and CSA Z94.3 standards. Sold per pair.