Our Dielectric Safety Goggles with indirect ventilation are designed to provide full eye coverage and protect against chemical splashes. The goggles are made of high impact resistant 100% polycarbonate lens. The over-the-glass design fits over most prescription eyewear. In addition, plastic molds over the perforated vents provide an extra layer of protection, enabling internal air control of the goggles. With a rating of EN 166, CE, and ANSI Z87.1, these goggles are perfect for use in various industries where eye protection is necessary.