These goggles provide ultimate protection with its body which is designed especially for chemical splash protection. The design also provides a wide, unobstructed field of vision and can be worn with most half-mask respirators. What great convenience! Do you wear prescription eyewear? Don't worry if you do because the transparent protective PVC body easily creates a comfortable fit over prescription eyewear while still protection against impact and splash. These lenses feature both scratch-resistant polycarbonate and anti-fog technology. With the ANSI Z87+ 2003 standards approval, you know you can't go wrong with these great safety goggles.