Pyramex Itek is a safety glasses design that has a specially designed ventilated nosepiece to allow heat to dissipate from nose bridge to reduce fogging. These Pyramex Safety Glasses are comfortable and will stay in place, thanks to soft dual injected rubber temple tips and a flexible non-slip nosepiece. The Pyramex Itek features a 9.75 base curved lens provides excellent side protection against airborne particles. Pyramex Itek Industrial Safety Glasses exceedsANSI Z87.1-2003 High Impact Requirements, meet CAN/CSA Z94.3-07, and are CE EN166 Certified. The lightweight, frameless protection of these lab glasses is ideal for all-day wear.