PRODUCT SPECIFICATIONS High durability, optical grade polycarbonate lens with hard coating for scratch resistance Soft PVC frame/shroud Adjustable elastic headband Indirect ventilation on shroud Weight â?? 73 gms CERTIFICATION ANSI Z87.1 APPLICATION AREA Pharmaceutical Industries Chemical Industries Hospitals, Medical facilities VARIANTS SKU - Description HSE 300 - Clear polycarbonate lens HSE 300C - Clear polycarbonate lens with hard coating HSE 300CA - Clear polycarbonate lens with hard coating & anti-fog