Protection against liquid and chemical splash. Body made of soft flexible PVC.  Excellent comfort.  Indirect venting on top and bottom Fits over most prescription glasses Neoprene headband Molded "wrap around" polycarbonate lens offers exceptional peripheral vision Lens is quickly and easily replaced Exclusive 4C+™ anti-fog coating inside and out Absorbs >99.9% of harmful UV light Meets industry standards ANSI Z87.1-1989, CSA Z94.3-1992 high impact protector