Tough polycarbonate lens design that fits over most personal glasses and offers great peripheral vision. Lightweight and comfortable with a soft， flexible frame. Headband is fully adjustable and flame retardant. 3M chemical splash/impact goggles help protect eyes from certain airborne particulates and chemical splash. Features vents designed to help reduce fogging. 3M chemical splash/impact goggles are a great choice in eye protection for both the professional and the DIYer.