Japan Blue is a Japanese brand specializing in denim, founded in 2010, renowned for its exceptional craftsmanship and commitment to the tradition of denim fabric.

It is famous for its high-quality jeans, achieved through artisanal dyeing techniques, premium Japanese fabrics, and meticulous expertise. Historically located in Kojima, Japan, the company Japan Blue includes two well-known brands among high-quality denim enthusiasts (Momotaro and Japan Blue Jeans) as well as Collect Mills, which develops and produces premium denim fabrics. This strong synergy allows Japan Blue Jeans products to have access to the best fabrics in Japan.