Wiley X Spear Tactical goggles are the top choice in a world of flying debris and projectiles. Wiley X Goggles are built to exceed the military's stringent Ballistic Impact Protection standard. Exclusive symmetrical ventilation technology prevents fogging and keeps things cool in the heat of battle. The low profile design of the Spear tactical goggle is NVG compatible. The facial seal conforms perfectly to your face to ensure total comfort while providing total protection. Cleaning cloth and Fogtech wipe included.Note: Black goggles have a 1" Strap and the Tan have a 1.5" strapSafety rating: Polycarbonate Lenses that Meet the MIL-PRF-32432(GL) Ballistic Standards. ANSI Z87.1-2010 High Velocity and Mass Impact Standards, and EN 166 B Resistance to High Speed Particles, and US Federal OSHA 1910.133(b)(1)(i) StandardsLens Specifications:Smoke Grey Lens Provides Max Glare Reduction with No Color Distortion: Light Transmission 15%Clear Lens for Night, Indoor, Overcast, an...