In 1985, the world's first hydration pack was invented. And bottle waist bags and bottle hand straps are the first in the world. Since then, he has created numerous innovation and established a modern hydration pack.

More than 30 years ago, he created the concept of "the best to transport water" and expanded and trolls the market. And produced a hydration pack specializing in women for the first time.

In UD, athletes are involved in product design for athletes themselves, and the ultimate gears are created after the world's top -level runners have been exploring "what is the best gear?"