Designed from the ground up in cooperation with S.W.A.T. professionals, the B.O.S.S. 6000 Ballistic Optical Safety System is an entirely new approach to eye protection. Meets ANSI Z87.1 Standards Durable, lightweight aircraft alloy frame Weight is half that of traditional goggles Impact resistant, anti-fog polycarbonate lens Dimensionally stable optics Unique non-sealed fit to prevent fogging/heat buildup Sleek design will fit under virtually all helmets 100% peripheral vision Allows scopes and sights to be held in proper proximity to the eye Self-centering strap Comes with On-The-Fly™ self-adhesive Mylar™ tear-off in Smoke (additional Smoke, Yellow and Clear tear-offs can be purchased separately) Completely replaceable components Black