3M™ SecureFit™ Eyewear SF202AF-AS, Grey Anti-Fog Lens 3M™ SecureFit Protective Eyewear features proprietary self-adjusting 3M’s Pressure Diffusion Temple Technology – a scientific advancement that helps diffuse pressure over the ear, enhancing frame comfort while at the same time ensuring a secure fit across diverse workforces. 3M™ Pressure Diffusion Temple Technology Wraparound design to improve the security of fit and provide slipping Combination of the soft nose bridge and contoured brow guard to improve comfort and provide additional coverage from flying particles Weighs less than an ounce