Engineered to support vision correction without sacrificing high impact eye protection, the FrontSight Rx Carrier integrates with 5.11 High Performance Eyewear to provide unbeatable security, visibility, and versatility. Designed to nest behind the primary lens of the 5.11 Aileron Shield and 5.11 Raid three-lens interchangeable eyewear systems, the FrontSight Rx kit includes both black and sandstone cushioned nose pieces and supports diopters of up to +/- 11. Lenses for the FrontSight insert can be prepared by any licensed optician. Keep your eye on the target with the FrontSight Rx Carrier from 5.11 Tactical. Material: Nylon.