Meets Gl-pd 10-12 Mcep Standard, Superseding Mil-prf-31013 Ballistic Standard. Ultra Low Profile Ballistic Spectacle. New "take-flight" Nose Piece Adjusts To Any Nose Bridge. WrapbackTM Design Provides The Ultimate Peripheral Vision. Reduced Backlit Glare. Authorized For Use By The U.s. And Norwegian Military. Meets Ansi Z87.1-2003 High Velocity Protection. Rx Insert Available Adapts To Pt-3 And Nerve Goggle. Nsn Or Gsa Approved Items Come With Hard Case.