JAXA (Japan Aerospace Exploration Agency) Reikyaku Cooling Vest

The Japan Aerospace Exploration Agency (JAXA) integrates domestic technologies of cutting-edge materials, sewing, clothing facilities, precision processing and other related industries, which are Japan’s field of expertise, and promotes “Study on the Next Generation Advanced Space Suit” as an element technology research for an extravehicular suit that exceeds that of other countries.

Here is a vest that can keep you cool in the summer. The JAXA Reikyaku Cooling Vest is water-cooled. Just fill the tank with 1 liter of water, and it will go through tubes around your body to keep you cool. You get 7 hours of cooling on 4 AA batteries.

JAXA-Reikyaku-Cooling-Vest

The water tank has 1L capacity. You get 8 lines of tubes around your upper body.

Additionally –

The Kuchofuku NSP Outdoor Air-conditioned Cooling Coat is a superior cooling jacket available in a range of colors and sizes. There are reinforced collar and sleeves to enhance the breeze that is blown around inside the jacket thanks to the integrated fans. The stronger materials also mean it is less likely to tear or get damaged, so you can wear it while carrying heavy items or engaging in tough tasks outdoors in the heat. To keep off the sun, it features titanium lining on the coat’s materials, which are also splash-proof, while the designers have also included various practical aspects like pockets to keep ice packs on your back, and others to store pens or similar items.

Kuchofuku NSP Outdoor Air-conditioned Cooling Coat