Pyramex Capstone covers a group of dual purpose goggles that fit over prescription glasses, and are adjustable to many different applications. These safety goggles feature removable vent caps that allow the user to remove them when more ventilation is required, or leave them in place for unsurpassed chemical resistance. The Pyramex Cap Stone Goggle has an adjustable quick release elastic band for easy on/off. The goggle features a soft PVC body conforms to facial contour for comfort fit. The Pyramex Capstone Goggles have a larger frame size that fits over prescription eyewear, making them a flexible and important piece of lab equipment. These Pyramex Goggles exceed the ANSI Z87.1-2003 High Velocity Impact Standards, comform to CSA Z94.3 Standards, and are CE EN 166 Certified.