Protective body cooling gear, namely, active cooling vests and active cooling blankets to prevent injury due to overheating to prevent injury due to overheating; Protective clothing with air-conditioning function by the integration of phase change cooling devices for cooling people, namely, vests for cooling surgeons, nurses and medical personnel; Protective active cooling vest, active cooling seats, active cooling head cap and active cooling blankets to prevent injury due to overheating; Bat...