Weighing it at only 3.7 oz. while still complying ANSI Z87.1-23, EN-166 BT K and U. S. Army MCEPS, plus MIL-DTL-43511 ballistic impact resistance requirements; Oakley Standard Issue Ballistic 2.0 Goggles are the superior option for those in need of eye protection in combat environments. The low profile design allows for comfortable compatibility with the market’s most popular and utilized ballistic helmets. Oakley Ballistic 2.0 Goggles offer best in class field of view and comfort, allowing you to stay focused on the mission. Features of Oakley Ballistic 2.0 Goggles Lightweight - 3.7oz Plutonite Lenses Blocks 100% of All UVA, UVB, UVC and Blue Light Up to 400nm Permanent Anti-Fog Lens Coating Distortion-Free High Definition Optics Protection Against Sand, Wind and Dust ANZI Z87.1 EN-166 BT K and U. S. Army MCEPS, plus MIL-DTL-43511 Rated Oakley SI Ballistic Goggle 2.0 Terrain Tan (MCEPS Class 2A) w/Clear Lenses OO7035-15