Shatterproof Selenite™ Polycarbonate Lenses that Meet the MIL-PRF-32432(GL) Ballistic Standards. ANSI Z87.1-2010 High Velocity and Mass Impact Standards, and EN-166 Standards 100 Percent UVA/UVB Protection With Distortion Free Clarity T-Shell™ lens coating resists scratching in extreme environments Foil™ Lens Coating Provides Anti-Fog Protection Adjustable Take Flight Nose Piece Accommodates any Face/Nose Bridge 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% Compatible with Wiley X's Prescription Lens Carrier (PTX), sold separately