I take a look at Revision Vipertail Ballistic Sunglasses.
High-impact frame with reinforced hinges to outlast and outperform. Tough-coat lenses prevent scratching in the harshest environments
Protects from harmful UV A-B-C rays
High-impact sunglasses exceeds ANSI Z87.1-2010 and meet U.S. military ballistic impact requirements for spectacles (MIL-PRF-31013, clause 3.5.1.1)
for further information go to
http://www.revisionmilitary.com/product/vipertail-ballistic-sunglasses/
