Cooling Umbrella Returns
2026-04-23 05:57:19

Revamped Zero Energy Cooling Umbrella Returns for the Season!

REIKYAKU Parasol: A Heat-Breaking Innovation for Summer 2023



In response to the rising temperatures and increased occurrences of heatwaves, Moonbat Co., Ltd., headquartered in Kyoto, has proudly announced the return of its highly sought-after cooling umbrella, the REIKYAKU Parasol, developed in collaboration with RadiCool Japan. This umbrella, which sold out quickly last season, leverages advanced zero-energy cooling technology to provide comfort and protection from the sun and rain.

The Evolution of Personal Cooling Solutions



Understanding that the summer heat is intensified not only by direct sunlight but also by heat reflected from buildings and accumulated heat in the air, Moonbat has reimagined the traditional umbrella. The Japan Meteorological Agency's data forecasts persistently high ocean temperatures and average temperatures across Japan into 2025, making early heat management strategies essential. Conventional umbrellas primarily shield from direct sunlight but often trap heat, making them less effective in today's increasingly harsh climates.

To tackle this problem, Moonbat has employed the groundbreaking RadiCool fabric developed by RadiCool Japan. This material uses a radiation cooling technique that effectively enables the umbrella to cool objects without energy consumption, offering a refreshing experience akin to being in a moving shade.

Innovative RadiCool Technology Explained



The RadiCool material is designed to emit captured heat without using any energy. It utilizes high-performance solar reflection properties combined with thermal radiation characteristics to focus heat emissions into the atmospheric window (8 to 13 μm range). This selective spectral control facilitates heat exchange with the atmosphere even during the day, significantly reducing heat accumulation on the product's surface.

Impressive Cooling Performance



The REIKYAKU Parasol has shown remarkable results in laboratory tests, recording a staggering temperature differential of up to 34 degrees Celsius. In thermographic analysis, significant temperature differences were noted, further demonstrating the umbrella's effectiveness at keeping the user cool and protected.

Dual Protection: Sun and Rain



This umbrella boasts a 100% shading rate and 100% UV cut rate, achieved through a multi-layer design that physically blocks both light and ultraviolet rays. Ensuring maximum comfort, it is rated UPF50+ for sun protection and incorporates excellent water-repellent properties, making it suitable for all weather conditions.

Wind-Resistant Features



With designs that withstand wind speeds of up to 15 meters per second, the REIKYAKU Parasol is engineered to ensure stability even in sudden gusts. Available in multiple sizes, it meets the diverse needs of summer outings.

Product Lineup


The REIKYAKU Parasol series includes:
  • - 50cm Folding Umbrella (Lightweight) - priced at ¥6,600 (approx. $60)
  • - 54cm Folding Umbrella (Wind-Resistant) - priced at ¥7,700 (approx. $70)
  • - 60cm Folding Umbrella (Wind-Resistant) - priced at ¥8,250 (approx. $75)

For further details or to purchase, visit the REIKYAKU product page or find it at retail outlets nationwide such as Hands and Loft.

About Moonbat


Founded in 1885, Moonbat Co., Ltd. specializes in fashion accessories, including umbrellas and high-quality protective gear against the elements. With a commitment to innovation and quality, Moonbat continues to reshape summer comfort with products like the REIKYAKU Parasol.

For more information, visit the official websites: Moonbat | Estaa.


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Topics Consumer Products & Retail)

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