SI Ballistic HNBL is an eyewear platform for everyone. The low-profile design and easy lens exchange allows you to seamlessly transition from on-duty to off-duty. HNBL is optimized for performance meeting high impact standards for Mil Spec 32432A and ANSI Z87.1 as well as featuring Prizm™ Lens Technology. The frame features a lightweight, high-wrap design with thin stem technology and molded icons. The frame design is also suited for industrial prescription lenses. All sun lenses feature Oakley High Definition Optics (HDO®) and meet high mass and high velocity impact requirements. The assortment offers Prizm™ shooting (tr22 & tr45), Prizm™ Grey and clear options.