3M 400 Series SecureFit Protective Eyewear With Clear Anti-Fog Lens 3M�???� SecureFit�???� 400 Series Protective Eyewear with clear anti-fog polycarbonate lens and black/neon temple offers cushioned comfort and enhanced style. Eyewear with stylish design has a soft adjustable nosepiece that helps to minimize slippage. It has pressure diffusion temple technology that helps to diffuse pressure over the ear