Pyramex 4100, The most economical glass in the Pyramex family. These lightweight and stylish glasses offer excellent protection, perfect for one time use or facility visitors. Superior comfort and fit. Lenses are coated for scratch resistance. Features a homogeneous clear frame and I/O lens manufactured to exceed the ANSI Z87.1 standard and provide 99.9% UV protection. They are made of an impact resistant polycarbonate. Features a durable frame which stands up to abuse. They're great for outdoor activities, like biking or cycling. They're so cool, nobody will even know that you're wearing safety glasses. Exceeds ANSI Z87.1-2003 High Impact Requirements, CSA standard CAN/CSA Z94.3.. Provides 99.9% protection from harmful UV-A and UV-B rays. Measures 143mm wide, 43mm tall, and 160mm long.