The air vest is designed to afford cooling to personnel in circumstances where air conditioning is not feasible. The vest connects to any existing clean compressed air source. Engineered jets keep the wearer continuously cooled with refrigerated air. The airflow enhances the body’s natural evaporative cooling while also keeping grit, dust, and fibers out. Available with a vortex cooler for additional cooling effect. Allegro® 8300-01L Vortex Standard Cooling Vest for Additional Cooling Effects, 200 lb, XL