The 3M™ SecureFit™ 400 protective eyewear features frameless lenses and fixed-length temples. This innovative design allows for greater comfort and safety in use and wear. The temples utilize 3M Pressure Diffusion Temple technology, which helps distribute pressure over the ears, enhancing user comfort for workers in a wide range of fields. 3M™ Scotchgard™ anti-fog coating. Can also be used in combination with earmuffs.