
In the world of Japanese denim, there exists a legendary and enigmatic brand known as ONI Denim. It is shrouded in secrecy, boasting a meticulous craftsmanship that results in uniquely textured fabrics, making it a coveted treasure for denim enthusiasts worldwide. Founded by the denim master Masao Oishi, ONI Denim has become synonymous with rough and slubby denim, setting the standard for prestige and quality in the denim game.

The journey of ONI Denim begins with Masao Oishi, a luminary in the world of Japanese denim. His passion for denim was sparked when he imported Levi’s from America in the late 1950s while working in his father’s company. Later, he played a vital role in the pioneering Japanese jeans brand, Canton Jeans, in the ’60s. This wealth of experience and knowledge about fits, fabrics, shuttle looms, and indigo dyeing eventually led him to found ONI Denim.
The name “ONI” (Demon) is fittingly chosen, as their iconic “secret denim” has earned its reputation for being “slubby like the devil.” Crafted with low tension, irregular weave, and long staple yarns, ONI Denim produces some of Japan’s finest and most durable denim. Each pair of jeans tells a unique story, with its rough texture developing a captivating vertical fading over time. However, the mystery behind the brand is perpetuated by limited production and a refusal to seek media coverage.

At the heart of ONI Denim’s allure lies its dedication to experimentation and innovation. Oishi-San’s decades-long experience with shuttle looms and indigo enables him to push the boundaries of denim manufacturing. With varying grammages, novel cuts, and diverse indigo dyeing techniques, ONI Denim’s creations are truly one-of-a-kind. This quest for uniqueness results in denim that stands out and captures the hearts of denim aficionados worldwide
Creating ONI Denim is a labor-intensive process that demands exceptional skill and patience. The vintage shuttle loom, rumored to be the last of its kind capable of handling ONI’s fabrics, is used to weave these masterpieces. As a result, production is slow, limiting the availability of these coveted jeans. However, the wait is undoubtedly worth it, as each pair is a masterpiece of craftsmanship, built to endure and age beautifully with time.
Despite its elusive nature, ONI Denim has managed to captivate the denim community worldwide. The limited number of retailers adds to the exclusivity of owning a pair of ONI jeans. Each wearer becomes a part of the legend, experiencing the distinctive fades and unique characteristics that only ONI Denim can offer.
ONI Denim is the blood of Masao Oishi, poured into to his craft, the manifestation of denim when passion, tradition, and innovation come together. The brand’s mystique continues to enthrall denim enthusiasts, making ONI Denim an iconic label in the world of Japanese denim. With each pair crafted on a single vintage shuttle loom, ONI Denim preserves the essence of traditional craftsmanship while weaving a contemporary narrative of exclusivity and excellence. To own a pair of ONI jeans is to be part of a timeless legend, etched into the denim world’s fabric for years to come.