These goggles provide a comfortable yet snug seal to keep your eyes safe while welding and cutting while the indirect vents provide superior ventilation and fog free results. Includes a shade 5 filter plate in a heat-resistant nylon retainer. Made with a soft and flexible PVC body for excellent comfort and fit. Flame-retardant head strap provides added user safety. Top and bottom indirect vents provide superior ventilation and a fog-free working environment. Sized to fit over most prescription eyewear. Flip feature provides uninterrupted eye protection from impact and IR hazards (Models 15992/15994)