Skullerz SKOLL Anti-Fog Safety Glasses feature a sleek and sporty half-frame blade-style design with flexible rubber temples and a nonslip nose piece for a comfortable fit. These safety glasses feature tough, anti-fog polycarbonate lenses to protect against impacts and filter 99.9% of harmful UVA, UVB and UVC rays to keep eyes safe in the sun. Lens features Fog-Off technology for anti-fog protection and fog-free viewing no matter the task. Great for use with dust masks and for working in extreme temperature change so you can focus on the job at hand. Indoor/Outdoor Lens is ideal for indoors, outdoors, nighttime and hazy/cloudy conditions. Impact-resistant safety glasses are tested to ANSI/ISEA Z87.1-2020 High Velocity Impact Protection and optical requirements which is the U.S. standard for Personal Eye and Face Protection Devices and is listed on the frame (Marks: Z87.1+ X).