High fidelity, wide field of view. Lightweight design for greater portability and comfort. Recessed design reduces impact and improves weight distribution. Aspheric lenses minimize visual distortion and prevent lens scratches. Airflow guidance design prevents lens fogging and reduces breathing resistance. Improved overall contour design for a better fit and enhanced comfort. Resistant to high-temperature flames of 950±50°C, capable of withstanding harsh usage conditions. Lenses made of polycarbonate. Equipped with a mechanical communication diaphragm. Quick-connect interface for direct ambient air access. Kevlar mesh fire-resistant head net / special rubber headband / helmet quick-attach headband. Compatible with dedicated spectacle frames for users with myopia. Facepiece available in large, medium, and small sizes.