Eye Protection: Designed with a flexible PVC body to ensure proper fit and comfort; Can be used in a wide variety applications Continuous Comfort: Made with super soft plastic and fits over most prescription eye glasses, providing a comfortable, secure seal Protective Features: This model of protective eyewear features clear, uncoated, polycarbonate lens for clear vision Adjustable Headband: These safety goggles come with an 18-inch flame retardant head band that is size adjustable for both men and women Direct Vents: Direct vents permit maximum airflow and protect against liquids, dust, and flying debris