Big John M1012RC 66 GR Label Wild Duck Jeans Size Chart
Every published measurement for the Big John M1012RC 66 GR Label Wild Duck Jeans, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.
In a size 34, the Big John M1012RC 66 GR Label Wild Duck Jeans measures 36.25″ waist, 14″ front rise, 15.5″ thigh and 10.5″ leg opening. Every size on its chart measures 2¼″ over its tag.
| Size | Waist | Front Rise | Thigh | Leg Opening | Inseam |
|---|---|---|---|---|---|
| 28 | 30.25 | 12.75 | 14.25 | 9.25 | 31.5 |
| 30 | 32.25 | 13.25 | 14.75 | 9.75 | 31.5 |
| 32 | 34.25 | 13.5 | 15.25 | 10 | 31.5 |
| 34 | 36.25 | 14 | 15.5 | 10.5 | 31.5 |
| 36 | 38.25 | 14.25 | 16.25 | 10.75 | 31.5 |
| 38 | 40.25 | 14.75 | 16.5 | 11.25 | 31.5 |
| 40 | 42.25 | 15.25 | 17.25 | 11.5 | 31.5 |
Scroll the table sideways for the rest of the columns.
Listed under: Wide · Relaxed · High Rise · Roomiest Thighs · Biggest Waists
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Where to buy
- Big John (opens in new tab)¥26,400In stock
- Denimio (opens in new tab)$206–$212In stock
- Hinoya (opens in new tab)$225In 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 2026-07-29. Always confirm with the retailer before buying — fits are re-cut seasonally.