NSN: NSN 4240-01-504-0994 Product Features: Shatterproof Selenite(TM) Polycarbonate Lenses that Meet the MIL-PRF-32432(GL) Ballistic Standards, ANSI Z87.1-2010 High Velocity and High Mass Impact Standards, and US Federal OSHA 1910.133(b)(1)(1) Standards 100 Percent UVA/UVB Protection With Distortion Free Clarity T-Shell(TM) lens coating resists scratching in extreme environments Foil(TM) Lens Coating Provides Anti-Fog Protection Night Vision Goggle (NVG) Compatible Modular System Lightweight and Comfortable for Extended Use in Sand, Wind, and Dust Environments Frame Eliminates Tunnel Vision with 90-Degree Wrapback(TM) Rx Ready Smoke Grey Lens Provides Max Glare Reduction with No Color Distortion: Light Transmission 15% Clear Lens for Night, Indoor, Overcast, and Very Low Light Conditions: Light Transmission 90% National Stock Number (NSN 4240-01-504-0994) Includes the following: Matte Black Frame Smoke Grey Lens Clear Lens Protective Storage Case Microfiber Cleaning Cloth Removable Temples Adjustable Strap Anti-Fog Wipe Instruction Card Eye Size: 60 | DBL: 24 | Temple: 130 Head Size: Small to XXLarge