The Wiley X Saber Prescription Sunglasses sold by RX Safety are a lightweight frame with flexible nose piece and a foam insert. It also features interchangeable T-Shell™ Lens coating, that resists scratching and provides 100% UVA/UVB protection while maintaining distortion-free clarity. They also have Shatterproof Selenite™ Polycarbonate Lenses that meet MIL-PRF-32432(GL) ballistic standards, ANSI Z87.1 optical clarity, and high mass/high-velocity impact standards: as well as US Federal OSHA 1910.133(b)(1)(1) standards. In addition, the adjustable take flight nose piece accommodates a wider range of face and nose/bridge.  These sunglasses are prescription friendly, and are available in a matte black frame with pale yellow, smoke gray, clear and light rust lenses with RX Inserts.  As an alternative to the Wiley X Saber Prescription Sunglasses, check out our entire Wiley X Prescription Sunglasses Collection. Attention: Prescription Lenses will be made accordingly with your Lens Choices on the prescription form.