Stylish, lightweight design weighs less than 1oz. Features proprietary 3M Pressure Diffusion Temple (PDT) Technology that helps provide a secure, snug fit while not compromising comfort; reduces eyewear/frame slippage during workplace head movements; enhances frame comfort while not compromising the security of fit; and self-adjusts to fit a wide array of head sizes reducing the need to stock multiple frame sizes. Anti-fog coated lens absorbs 99.9% UV