Big John M1803-001 17oz Heavy Gauge Selvedge Denim Size Chart
Every published measurement for the Big John M1803-001 17oz Heavy Gauge Selvedge Denim, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.
In a size 33, the Big John M1803-001 17oz Heavy Gauge Selvedge Denim measures 35″ waist, 11.5″ front rise, 11.5″ thigh and 9.25″ leg opening. Sizes on its chart run from 1½″ over the tag to 2¼″ over it, and each size up adds 1¼″.
| Size | Waist | Front Rise | Back Rise | Thigh | Leg Opening | Inseam |
|---|---|---|---|---|---|---|
| 29 | 30.75 | 10.75 | 14.5 | 10.75 | 8.5 | 33.5 |
| 30 | 31.5 | 10.75 | 15 | 11 | 8.75 | 33.5 |
| 31 | 32.75 | 11 | 15 | 11 | 8.75 | 33.5 |
| 32 | 33.75 | 11 | 15.25 | 11.5 | 9 | 33.5 |
| 33 | 35 | 11.5 | 15.25 | 11.5 | 9.25 | 33.5 |
| 34 | 36.25 | 11.5 | 15.75 | 11.75 | 9.5 | 33.5 |
| 36 | 38.25 | 11.75 | 16.25 | 12.25 | 9.75 | 33.5 |
| 38 | 40.25 | 12.25 | 16.5 | 12.5 | 10.25 | 33.5 |
Scroll the table sideways for the rest of the columns.
Listed under: Straight · Regular · Biggest Waists
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Where to buy
- Big John (opens in new tab)¥28,600In stock
- Denimio (opens in new tab)$230In stock
- Franklin & Poe (opens in new tab)$300In stock
- Hinoya (opens in new tab)$215Check availability
- Okayama Denim (opens in new tab)$190In stock
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About Big John
Big John began in 1940 as Maruo Clothing, a small sewing factory in Kojima, Okayama, founded by Kotaro Osaki to make workwear and school uniforms. The company turned to jeans in the 1960s, producing what it describes as Japan’s first domestically made jeans in 1965 under the Canton label, and launched the Big John name in 1967. In 1973, it introduced jeans made entirely in Japan, and it still produces its jeans domestically, including deep indigo selvedge denims developed for vintage-style fading.
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Source: retailer size chart (opens in new tab). Last verified 2026-10-08. Always confirm with the retailer before buying — fits are re-cut seasonally.