Big John Review: The Brand That Made Japan's First Jeans (2026)
Big John is the pioneering Kojima, Okayama brand that produced Japan's first domestically made jeans in 1965 and the country's first all-Japanese jeans, "World," in 1973 — making it the historical foundation of the entire Japanese denim industry. Today Big John still makes excellent, accessible selvedge, and its premium "Rare" line offers some of the best value in Japanese denim for US buyers.
What Is Big John?
Big John is a denim brand based in Kojima, in Okayama Prefecture — the region now recognized as the birthplace of Japanese denim. It holds a unique place in history as the company that first brought jeans manufacturing to Japan, evolving from importing and finishing American denim to weaving and sewing entirely domestic jeans. For US buyers, Big John offers a rare combination: genuine historical pedigree, Okayama craftsmanship, and prices that remain remarkably reasonable.
The brand spans everything from affordable everyday denim to the premium Big John Rare selvedge line, which uses heavier, carefully woven fabric and traditional construction.
History and Background
Big John traces its roots to Maruo Clothing, founded in Kojima in 1940. In the 1950s the company began working with imported American denim, and in 1965 it launched the Big John brand — producing the first jeans made in Japan. In 1973, Big John went further, releasing "World," Japan's first jeans made entirely from domestic materials, using denim woven by Kurabo, a local Okayama mill.
That milestone effectively created the Japanese denim supply chain that brands like Momotaro, Pure Blue Japan, and Japan Blue rely on today. At Japan-Denim.com, we consider Big John the essential origin story of Japanese denim — without it, Kojima might never have become the denim capital of the world.
Deep Dive: Why Big John Still Matters
Big John is not a hype brand chasing the heaviest fabric or the loudest fades. Instead, it offers dependable, well-made denim rooted in decades of expertise. The mainline jeans are comfortable, sensibly priced, and ideal for buyers who want authentic Okayama denim without a boutique price tag.
The Big John Rare line is where enthusiasts should look. It uses heavier selvedge — often in the 14oz to 16oz range — woven on traditional shuttle looms, with clean construction and deep indigo that fades beautifully over time. Big John has also experimented with sustainable and natural-indigo dyeing, reflecting its long technical heritage.
At Japan-Denim.com, we recommend Big John to two kinds of buyers: history-minded denim fans who want to own a piece of the brand that started it all, and value-focused shoppers who want real Japanese selvedge at an approachable price.

Best Options: Our Top Picks from Big John
These are the Big John models we most recommend for US buyers.
Big John Rare M105
- Best for: The flagship premium selvedge experience
- Key specs: ~15oz selvedge, deep indigo, traditional construction, slim-straight
- Price range: $180–$260 USD
- Why we recommend it: The Rare line delivers heavyweight Okayama selvedge and excellent fades at a price well below most boutique brands.
Big John M1605 (16.5oz)
- Best for: Buyers who want heavier fabric and bolder fades
- Key specs: ~16.5oz selvedge, unsanforized, mid-rise straight
- Price range: $200–$280 USD
- Why we recommend it: A heavier weight with strong fade potential, still at an accessible price.
Big John Mainline Straight
- Best for: Everyday authentic Japanese denim on a budget
- Key specs: ~12.5oz–14oz denim, comfortable straight fit
- Price range: $90–$150 USD
- Why we recommend it: Genuine Okayama-made jeans at an entry-level price — a great first Japanese pair.
| Model | Weight | Fit | Best For | Price (USD) |
|---|---|---|---|---|
| Big John Rare M105 | 15oz | Slim-straight | Premium value | $180–$260 |
| Big John M1605 | 16.5oz | Straight | Heavyweight fades | $200–$280 |
| Mainline Straight | 12.5–14oz | Straight | Budget entry | $90–$150 |

Frequently Asked Questions
Q: Was Big John the first Japanese jeans brand?
A: Yes. Big John produced Japan's first domestically made jeans in 1965, and in 1973 released "World," the first jeans made entirely from Japanese materials using Kurabo denim from Okayama.
Q: Where is Big John made?
A: Big John is based in Kojima, in Okayama Prefecture — the birthplace of Japanese denim. Its selvedge lines are made in the Okayama region using traditional shuttle looms.
Q: Is Big John good quality?
A: Yes. Big John offers reliable, well-constructed denim across a wide range, from budget mainline jeans to the premium Rare selvedge line, all backed by decades of Okayama manufacturing expertise.
Q: How much does Big John cost in the US?
A: Big John ranges from about $90 to $150 USD for mainline jeans up to roughly $180 to $280 USD for premium Rare and heavyweight selvedge models — excellent value for authentic Japanese denim.
Q: How does Big John compare to Momotaro or Pure Blue Japan?
A: Big John is more affordable and history-focused, while Momotaro and Pure Blue Japan are boutique brands with heavier fabrics and higher prices. Big John actually helped create the supply chain those brands use.
Q: Does Big John make selvedge denim?
A: Yes. The Big John Rare line and several heavyweight models use traditional shuttle-loom selvedge denim with deep indigo that fades well over time.
The Bottom Line
Big John is where Japanese denim began. More than a piece of history, it remains a genuinely good buy — offering authentic Okayama selvedge from an entry-level price up to the premium Rare line. If you want to own the brand that started it all, or simply want real Japanese denim without a boutique price, Big John is an easy recommendation.
At Japan-Denim.com, we celebrate the makers who built this industry, and none did more than Big John. Explore our Japanese selvedge collection to find accessible, history-rich denim from Kojima, Okayama.
Further Reading
- The History of Japanese Denim: From 1965 Big John to Global Selvedge Dominance
- Kojima Jeans: Inside Okayama, the Birthplace of Japanese Denim
- Best Japanese Denim Brands: The Complete Guide
- What Is Japanese Denim? The Complete Guide
- Japanese Selvedge Denim Brands: The Best Makers from Kojima, Osaka & Beyond