[YAMAZEN] Water Cooling Clothing Vest Cold Water Clothing DIRECTCOOL Pro Direct Cool Work Clothes Heatstroke Prevention Cooling Vest Ice Vest DC-B04S(B) With Battery ● This is a water cooling vest that cools the body just by wearing it. ● It cools circulating water with a frozen PET bottle and sends cold water through tubes and a pump inside the vest. ● It's compact and can be worn under protective clothing or uniforms. ● Unlike fan-equipped wear, it doesn't inflate and is fanless, making it quiet. Price not negotiable. Shipping label will be affixed directly to the package for shipping.