3M SecureFit Protective Eyewear 400 Series, SF425AF, clear lens 3M SecureFit Protective Eyewear 400 Series features soft adjustable nose pads, dual injected temples, and 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 workforceLightweight, cool safety glasses. Product Information Brand 3M Part # 7100115329 Line SecureFit Origin Country Taiwan Product Information3M Pressure Diffusion Technology allows temples to naturally adjust to individual head sizes eliminating the need to stock multiple frame sizes at worksites3M SecureFit Protective Eyewear features a +2.5 reading diopter to help workers who have difficulty reading small print or who are engaged in small detail workAt a weight of less than 1 oz(28 g), this product is both comfortable and durableScotchgard Anti-Fog Lens helps keep lenses free of moisture in hot and humid conditionsU6 rated polycarbonate lenses absorb 99.9% of UVA, UVB, and UVC rays between 200 nm and 380 nm.