TAION is a Japanese utility fashion brand that launched in 2016. The brand specializes in inner jackets, but also offers a range of other products, such as vests, trousers and accessories. It is characterized by its advanced and functional designs and the use of high-quality materials and innovative construction techniques to create garments that are durable and versatile.

The brand name, "TAION", means "body temperature" in Japanese. This name reflects the brand's mission to provide clothing that keeps people warm and comfortable.

TAION is also committed to sustainability. The brand uses recycled materials and environmentally friendly production processes.