Smith Optics Outside the Wire Goggles Anti-Reflective Sleeve keeps you under cover when you need it. Just slide the protective sleeve over the military goggles lens to prevent reflective glare from giving away your position. When not in use, the Smith Optics goggle sleeve slides back onto your goggle strap, out of the way. When your ballistic goggles are not in use, the Smith Elite Protective Sleeve keeps your eye protection wear in top condition and ready for the next mission. This Eyewear Accessory fits all Smith Elite Outside the Wire Ballistic Protection Goggles.