3M™ SecureFit™ Protective Eyewear 600 Series with Scotchgard™ Anti-Fog Lens features proprietary 3M™ Pressure Diffusion Temple Technology that helps diffuse pressure over the ear to enhance frame comfort while not compromising the security of fit across a diverse workforce. Lightweight, cool safety glasses. Our stylish design features the proprietary 3M™ Pressure Diffusion Temple Technology – a scientific advancement that helps diffuse pressure over the ear and enhances temple comfort while not compromising the security of fit across diverse workforces, and has a soft nosepiece to help reduce slippage. 3M™ SecureFit™ Protective Eyewear 600 Series with Scotchgard™ Anti-Fog Lens helps workers see clearly, longer. Polycarbonate lens absorbs 99.9% UVA & UVB. Effective in both hot and cold weather.