Allows maximimum light transmission without changing or distorting sigh or colors. Suitable for indoor or low light conditions.  

Features and Specs:

• Meets or Exceeds ANSI Z87 2010 Standards
• 2mm Panlite Polycarbonate Lens Material
• 99.9% Protection From UVA / UVB Rays
• Frame Color: Crystal Black
• Lens Color: Clear Anti Fog
• Mil Spec 31013 650 fps