The self - adjusting safety eyewear that fits a wide range of head sizes. 3M™ Pressure Diffusion Temple technology helps spread pressure over the ear to enhance frame comfort for a secure, comfortable fit. They feature anti - fog and anti - scratch coating for increased durability and improved visibility. They are very lightweight, weighing only 18 g. The flat, flexible temples make them especially suitable for wearing in combination with protective earmuffs. A wrap - around design improves fit security and provides slip. The 3M™ SecureFit™ SF202AS/AF - EU safety glasses, with gray lenses and anti - fog and anti - scratch coating, are extremely lightweight and feature patented 3M™ Pressure Diffusion Temple self - adjusting technology, which helps improve frame comfort without compromising fit security for a variety of tasks.