Graph Zero — Kojima, Okayama. Est. 2004

Kojima, Okayama — est. 2004

Graph Zero

Graph Zero was founded in 2004 in Kojima, Okayama, the city credited with starting Japanese denim production in the 1960s. From the beginning, the ambition was not to revive something old but to build from nothing: sourcing their own cotton, developing their own dyes, and weaving their own fabric on vintage shuttle looms before a single pair of jeans was cut or sewn.

The name is a statement of intent. Manufacturing from zero means no inherited shortcuts, no licensed constructions, no defaults. Every fabric in the range from slub yarn, to sashiko is a Graph Zero original, developed in-house and woven in Kojima before being sewn in the same building.

+ Kojima and the Logic of Starting From Zero

Kojima is not an incidental address. The city in Kurashiki, Okayama Prefecture, is where Japanese denim manufacturing began in the late 1950s where the first domestic denim was woven, the first Japanese jeans were sewn and where the infrastructure of mills, sewers and finishers that underpins the entire industry was built. Brands from Momotaro to Studio D'Artisan trace roots to this geography.

Graph Zero arrived in 2004 not as a heritage revival project but as something more unusual: a collective of specialists, fabric people, dye people, sewers and finishers who wanted to make things that had not been made before. The founding idea was that authentic manufacturing means controlling every stage, not assembling components from separate suppliers. Graph Zero sources its own cotton, develops its own dyes, weaves its own cloth on vintage power looms, and sews the finished garment under the same roof.

That level of vertical integration is rare even in Kojima. It means Graph Zero can develop a fabric construction that no other brand is making, because not many other brands control all the inputs. It also means that what ends up in your hands has been accountable to one team from raw fibre to finished inseam.

Graph Zero Heritage Denim — woven on vintage shuttle looms, Kojima

The Heritage Collection: Three fabrics. Each one developed from scratch.

+ Fabric Construction

13oz Heritage Selvedge — even yarn structure
The lightest fabric in the Graph Zero Heritage range. A clean, consistent yarn gives the cloth a smooth hand feel and an even indigo surface that develops clear, defined fades over time. Woven on vintage shuttle looms for a tight selvedge edge. One-wash treated for immediate wearability.

15oz Heritage Slub Yarn Selvedge — irregular yarn thickness
Slub yarn is spun with deliberate irregularities — thicker and thinner sections along the length of the thread. Woven into denim, this produces a textured surface with natural tonal variation across the indigo. The cloth has a lived-in character before it has been worn once. Fading will follow the yarn's own topography, producing results particular to the individual piece.

15oz Heritage Nep Yarn Selvedge — cotton fleck construction
Nep yarn incorporates small knots or tufts of fibre, a byproduct of the carding process,spun deliberately into the yarn rather than removed. The result is a cloth with a subtle, almost heathered surface texture: small flecks of undyed cotton visible against the indigo base. Less uniform than slub, more tactile, and unusual at 15oz weight.

One-wash treatment across the range
All Graph Zero Heritage fabrics are one-wash treated before garment construction. This stabilises the shrinkage and means the jeans are sized true from the outset. It is a practical decision that makes the brand easier to size and buy but it does not diminish the fading potential. The indigo is still ring-spun, still surface-dyed, still capable of the high-contrast fades the construction warrants.

Graph Zero 15oz Nep Yarn — fabric detail

+ What Graph Zero Is Not

Graph Zero sits in the same part of the market as Iron Heart, Momotaro, and Tanuki — selvedge denim made in Japan, woven on vintage looms, built to fade and last. The difference is in what the brand prioritises. Iron Heart's identity is weight and durability. Momotaro's is heritage construction and the peony pocket motif. Graph Zero's is the fabric itself — specifically, fabrics that do not yet exist and can only be made because the brand controls the whole chain.

That focus can make Graph Zero harder to place at first glance. There is no single defining garment, no instantly recognisable detail, no legend built over decades of brand mythology. What there is instead is a consistent material logic: each season's fabrics are developed as original constructions, not variations on an established formula. The slub, the nep, the sashiko weave — these are not decorative decisions, they are the product of what the looms and the yarn can actually do when the people making the cloth are also the people designing the garment.

It is a quieter brand than some of its peers. The quality is embedded in the cloth rather than announced by branding. For the customer who reads fabric rather than labels, that is the point.

+ Sizing, Fit, and the One-Wash Difference

Graph Zero's Heritage jeans are cut in a wide straight silhouette. They are high rise, full through the thigh, with a straight leg from knee to hem. This is a relaxed, contemporary shape that sits closer to 1940s and early 1950s workwear references than to slim Japanese denim.

Because the fabric is one-wash treated, there is no calculation required for shrinkage. Size to your actual waist measurement. The jeans will not shrink significantly in length or width after purchase.

Hemming is recommended. The jeans are cut long to accommodate a range of heights and the wide straight silhouette works best when the hem sits just at or slightly above the shoe. Chain-stitch hemming preserves the original construction and the roping fades that will develop at the hem over time. We offer chain-stitch hemming in-store — bring the jeans in or send them through.

Care is straightforward. Wash infrequently in cold water, inside out. The one-wash treatment means the first wash will not be dramatic. After that, the fading pace is set by how often you wear them and how hard. These fabrics will develop pronounced, high-contrast fades because the irregular yarn surface holds and releases indigo unevenly. The results, over a year or two of regular wear, are worth the patience.

Graph Zero

3 items

Japanese Selvedge Denim

40 items

Iron Heart

10 items

Momotaro Jeans

0 items

TCB Jeans

22 items

Tanuki Denim

6 items

+ Frequently Asked Questions

Graph Zero is made entirely in Kojima, Kurashiki — the city in Okayama Prefecture where Japanese denim manufacturing began in the late 1950s. The brand operates vertically: fabric is woven on-site on vintage shuttle looms, garments are cut and sewn in the same facility. Every stage from yarn to finished jean takes place in Japan.

Slub yarn is spun with deliberate inconsistencies — sections of thicker and thinner fibre along the thread's length. When woven into denim, these irregularities produce a textured surface with natural tonal variation. As the fabric fades, it does so unevenly, following the yarn's own contours. The result is a more complex, characterful fade than a uniform yarn would produce.

Nep yarn incorporates small knots or tufts of fibre — naturally occurring in raw cotton — that are spun deliberately into the thread rather than combed out. In woven denim, these appear as small flecks of undyed cotton against the indigo base, giving the cloth a subtle, heathered texture. Graph Zero's 15oz nep construction is unusual at that weight — most nep fabrics are lighter.

One-wash means the garment has been washed once after construction, stabilising the majority of the shrinkage the raw fabric would otherwise cause on first wash. Graph Zero's Heritage jeans are sized to their post-wash dimensions — you size to your actual waist measurement and do not need to account for shrinkage. The jeans will not change significantly in size after purchase.

Yes. The one-wash treatment stabilises shrinkage — it does not alter the indigo or change the fading behaviour of the cloth. Graph Zero's fabrics use ring-spun yarn with surface indigo dyeing, the same construction that produces high-contrast fades in unsanforized selvedge. The slub and nep constructions in particular will fade dramatically because the irregular yarn surface holds and releases indigo unevenly across the cloth.

Graph Zero's Heritage jeans are cut in a wide straight silhouette — high rise, full through the thigh, straight from knee to hem. This is a roomier, more relaxed shape than the tapered or slim cuts offered by Momotaro or TCB Jeans in their mainline ranges. If you usually wear a slim or tapered Japanese selvedge cut, the Graph Zero silhouette will read as a significant change. Check the waist and thigh measurements on the product page.

The jeans are cut long to accommodate a range of heights. Unless you are unusually tall, hemming is recommended — the wide straight silhouette reads best when the hem breaks cleanly at the shoe. Chain-stitch hemming preserves the original construction and allows the hem to develop roping fades over time. We offer chain-stitch hemming in-store.

Wash infrequently — the longer you go between washes, the more defined the fades. When you do wash, turn the jeans inside out, use cold water, and a gentle or denim-specific detergent. Machine wash on a delicate cycle or hand wash. Hang dry away from direct sunlight. The one-wash treatment means the first wash will not produce significant shrinkage or colour loss, but the indigo will lighten gradually with each subsequent wash.

All three are Japanese selvedge denim brands made in Okayama, using vintage shuttle looms, with strong fading potential. The differences are in emphasis. Iron Heart prioritises weight and durability — their 21oz and 25oz fabrics are among the heaviest in the market. Momotaro emphasises heritage construction and the established symbolism of the peach boy motif. Graph Zero's focus is the fabric itself — each construction is developed in-house from yarn and dye upward, producing cloths that are not available from any other brand. If fabric originality matters to you, Graph Zero is worth serious consideration alongside either.