The Wiley X ROMER 3 meets MIL-PRF-32432A ballistic safety standards to ensure that you'll be protected during the most intense action. Designed with comfort in mind, these glasses are lightweight, yet extremely durable. They also block out any peripheral light that may obstruct your view. Need a change? All you have to do is remove the lenses and pop in the right ones for whatever situation you need. The WX ROMER 3 is offers stylish and versatile protection - is there anything else you could ask for?