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. Amber Scotchgard Anti Fog lens coating helps workers see clearly, longer. Amber lenses reduce interference from blue light to improve contrast, excellent UV protection. Popular for inspection tasks, and hazy, overcast or foggy days. Never use for night driving. Polycarbonate lens absorbs 99.9% UVA & UVB rays and meet the requirements of ANSI Z87.1 2015 Standard as an Impact Rated spectacle. 3M™ Pressure Diffusion Technology allows temples to naturally adjust to individual head sizes reducing the need to stock multiple frames and work sites Weighing less than 1 ounce, the durable, snug fitting, flexible nature of the SecureFit offers a more comfortable and personal fit than the old fashioned "one size fits all" glasses that are rigid and unyielding in design. These glasses adapt to the wearer, rather than the other way around. The snug fit also helps keep the glasses securely in place as the wearer looks up and down or side to side, reducing the need for frequent repositioning of the glasses due to head movement. The Science Behind 3M™ Scotchgard™ Anti Fog Technology 3M™ Scotchgard™ Anti Fog Technology brings higher anti fog performance to safety eyewear, helping workers see more clearly to complete on the job tasks. The anti fogging properties are based on 3M internal testing per EN168 test method when compared to traditional anti fog coatings.