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These ARE NOT air-conditioned they are fan assisted cooling same as standing in a breeze. To air condition you have to lower the air temperature not just blow the air. The jackets have no way of doing this. The only method to do this in a jacket would be with a Peltier effect device, but the power drain would be so high the battery would run out in minutes, towing a small cart with a car battery behind you would do it for a couple of hours...