Japan's new air‑conditioned jacket and mist‑hand fan aim to beat the summer heat

A collaboration between KiU and the Japanese company Air‑Conditioned Clothing has produced a wearable cooling system that combines a thin fan set and a battery pack in a jacket styled like a mountain‑parka. The kit, priced at ¥11,330 for the starter set and ¥4,400 for the jacket, uses two small fans to draw ambient air and, through evaporative cooling, lower the wearer’s skin temperature. The product is marketed toward people working outdoors or attending events in high temperatures, and the fans can be detached for lightweight storage.

Separately, Lifehacker Japan reviewed a mist‑equipped handheld fan from Life On Products. The device adds a fine water mist to the airflow, creating a “cool‑ish” sensation via latent heat absorption. The mist tank lasts about 30–40 minutes per charge, and the fan offers multiple speed and rhythm modes. Weighing roughly 140 g, it includes a neck‑strap for hands‑free use, though the mist should not be directed at clothing. Both items are promoted as personal solutions to Japan’s recent heatwave, where daily highs surpass 30 °C.