Big John vs Japan Blue: Which Kojima Value Selvedge Wins? (2026)

Big John and Japan Blue are both Kojima, Okayama brands offering excellent value, but they come from different eras and philosophies: Big John is the 1965 pioneer that made Japan's first jeans and spans budget to premium, while Japan Blue is the modern Japan Blue Group label widely considered the best-value entry into deep-indigo Kojima selvedge. Choose Big John for heritage and range, and Japan Blue for the most fade-ready premium denim at an accessible price.

Big John vs Japan Blue: The Overview

Both brands hail from Kojima — the birthplace of Japanese denim — and both deliver authentic Okayama selvedge without boutique price tags. Big John is the historic pioneer, the company that produced Japan's first domestic jeans in 1965 and its first all-Japanese jeans in 1973, with a lineup running from budget mainline to premium Rare selvedge. Japan Blue, launched by the Japan Blue Group (the parent of Momotaro), focuses on deep, multi-dip indigo selvedge and is celebrated as one of the best value-for-money premium denim brands available.

For US buyers, the choice is heritage-and-breadth versus modern-value-and-indigo: Big John is the storied all-rounder, Japan Blue is the fade-chaser's value pick.

History and Background

Big John traces to Maruo Clothing (1940) and launched its jeans brand in 1965, effectively starting the Japanese denim industry and helping build the Okayama supply chain. It offers everything from affordable everyday jeans to the premium Rare line.

Japan Blue was established by the Japan Blue Group, the same company behind boutique favorite Momotaro. It positions itself as a more accessible gateway to the group's premium denim expertise, using quality Kojima selvedge and deep indigo at lower prices than Momotaro. At Japan-Denim.com, we love that both brands prove world-class Kojima denim does not require a boutique budget.

Deep Dive: Head-to-Head

Indigo and fades: Japan Blue has the edge for fade chasers, with deep, multi-dip indigo engineered to fade with strong contrast — unsurprising given its Momotaro lineage. Big John fades well, especially in its Rare line, but its focus is dependable everyday denim across a wider range.

Range and price: Big John offers the broadest spread, from roughly $90 mainline jeans to $260 Rare selvedge. Japan Blue concentrates on the $180 to $250 premium-value sweet spot, where it arguably offers the best deep-indigo selvedge for the money.

Heritage vs modern value: Big John carries unmatched historical pedigree as the brand that started it all. Japan Blue is a modern label optimized for value and fades. At Japan-Denim.com, we steer history lovers and budget buyers to Big John, and fade-focused value seekers to Japan Blue.

Japanese denim production diagram comparing Big John and Japan Blue Kojima selvedge
Both are Kojima brands offering great value; Japan Blue leans into deep indigo, Big John into heritage and range.

Best Options: Which to Buy

Japan Blue J301 / J401

  • Best for: Best-value deep-indigo Kojima selvedge
  • Key specs: ~14.8oz selvedge, multi-dip indigo, straight or tapered
  • Price range: $180–$250 USD
  • Why we recommend it: Momotaro-group expertise and deep indigo at a fraction of boutique prices.

Big John Rare M105

  • Best for: Heritage selvedge with broad accessibility
  • Key specs: ~15oz selvedge, deep indigo, slim-straight
  • Price range: $180–$260 USD
  • Why we recommend it: Premium Okayama selvedge from the brand that started Japanese denim, at a fair price.
Factor Big John Japan Blue
Founded 1965 (Maruo, 1940) Japan Blue Group (modern)
Position Heritage pioneer, full range Best-value premium selvedge
Indigo Quality everyday indigo Deep multi-dip indigo
Range $90–$280 (budget to premium) $180–$250 (premium value)
Best for Heritage, budget, breadth Fades, value, deep indigo
Big John and Japan Blue Kojima Japanese selvedge denim compared side by side in indigo tones
Two Kojima value champions: Big John (heritage and range) and Japan Blue (deep-indigo value).

Frequently Asked Questions

Q: Is Big John or Japan Blue better?
A: Neither is objectively better. Big John is best for heritage, budget options, and range, while Japan Blue is best for deep multi-dip indigo and fade-ready selvedge at excellent value.

Q: Are Big John and Japan Blue from the same place?
A: Both are Kojima, Okayama brands, but they are separate companies. Big John dates to 1965, while Japan Blue is part of the Japan Blue Group, the parent company of Momotaro.

Q: Which has deeper indigo?
A: Japan Blue generally has deeper, multi-dip indigo engineered for high-contrast fades, reflecting its Momotaro-group heritage. Big John offers solid indigo, especially in its Rare line.

Q: Which is more affordable?
A: Big John has a wider range, with mainline jeans from about $90 USD. Japan Blue concentrates in the $180 to $250 premium-value range, offering the best deep-indigo selvedge for the money.

Q: Is Japan Blue related to Momotaro?
A: Yes. Japan Blue is part of the Japan Blue Group, which also owns the boutique brand Momotaro. Japan Blue serves as a more accessible entry to the group's premium denim expertise.

Q: Which is better for a first selvedge pair?
A: Both are excellent first pairs. Choose Big John for heritage and budget flexibility, or Japan Blue if you want the deepest indigo and best fade potential for the price.

The Bottom Line

Big John and Japan Blue both prove that authentic Kojima selvedge is within reach of any budget. Choose Big John for genuine heritage, the widest range, and entry-level pricing from the brand that started Japanese denim. Choose Japan Blue for deep, multi-dip indigo and the best fade-ready value, backed by Momotaro-group expertise.

At Japan-Denim.com, we carry both and ship authenticated Kojima selvedge to the US and Canada. Compare them in our raw denim collection and pick the value champion that fits your taste.

Further Reading