Top performing ballistic spectacle with interchangeable lenses; provides optimal fit, function and comfort. Comes in tan or black frames with selection of lenses. 
High-impact polycarbonate lenses exceed military ballistic impact requirements for spectacles and goggles
Precision manufactured lenses ensure distortion-free vision, full side impact protection and anti-fog performance
Polycarbonate
Lenses made of indestructible, optical grade polycarbonate that can be interchanged quickly for various light conditions and provide100% protection from harmful UV-A, UV-B and UV-C rays
Scratch-resistant coating on both sides of lens; resists wide variety of chemicals, including DEET
Eye protection that lasts, performs and protects through all the rigors of combat - in a lightweight package that's just 35 grams (1 ¼ ounces)
 
Please note: 
Used Grade 1 glasses may come with or without head band and or with or with out cleaning cloth and Nose Pieces for lenses but otherwise in a usable condition.