The Pentax ZT100 Prescription Safety Glasses is a non-conductive frame designed to wrap around the face. Available in 2 colors and 3 sizes with permanently attached side shields, the ZT100 Safety Glasses are prescription available. These Pentax Prescription Safety Glasses also feature adjustable nose pads and temples that guarantee a perfect fit. In addition, these Pentax Safety Glasses meet the ANSI Z87.1 industry standards. Plus, the ZT100 Pentax Safety Glasses have passed the requirements of a modified ASTM D149-09 test for dielectric strength, and did not conduct electricity up to 1,000 volts for 60 seconds. For more options check out our Pentax Safety Glasses collection.