These safety glasses offer comfortable protection thanks to the lightweight, snug-fitting frame fitted with an impact-resistant lens featuring superior clarity. 175mm lens width; 17mm bridge width; 132mm temple length 100% UV protection Hydrophilic Unobtanium® nose pad provides a secure grip even under wet conditions Thin Stem technology enables compatibility with over-ear hearing protection High Definition Optics® (HDO®) eliminates distortion for clearer, sharper, more accurate vision Plutonite® polycarbonate lenses feature HDO Optics with Polaric Ellipsoid™ technology O Matter™ Made in the USA Meets American National Standards Institute (ANSI) Z87.1 safety standards