These clear protective glasses are specially designed for disaster rescue scenarios, featuring special wide-angle vision technology providing up to 178° ultra-wide viewing angle, significantly reducing blind spots during rescue operations. High-definition clear PC lenses with 98% light transmission ensure most accurate color recognition and detail observation capability in complex environments. High-strength material maintains structural stability at 580°C high temperatures, standard size 18.5×8.5cm, lightweight comfortable design suitable for extended wear. All-round sealing system achieves IP66 protection rating, effectively blocking smoke, dust, and harmful substances.