Okayama Denim OD+JB 18oz. "Shinkai Sand Slub" Selvedge Jeans Size Chart
Every published measurement for the Okayama Denim OD+JB 18oz. "Shinkai Sand Slub" Selvedge Jeans, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.
In a size 33, the Okayama Denim OD+JB 18oz. "Shinkai Sand Slub" Selvedge Jeans measures 35.8″ waist, 12″ front rise, 12.6″ thigh and 8.7″ leg opening. Sizes on its chart run from 1.8″ over the tag to 3.3″ over it, and each size up adds 0.8″. From knee to hem, the leg narrows 0.7″.
| Size | Waist | Front Rise | Back Rise | Thigh | Knee | Leg Opening | Inseam |
|---|---|---|---|---|---|---|---|
| 28 | 31.1 | 10.8 | 14.6 | 11 | 8.5 | 7.7 | 34.3 |
| 29 | 32.3 | 11 | 14.8 | 11.4 | 8.7 | 7.9 | 34.3 |
| 30 | 33.1 | 11.2 | 15 | 11.6 | 8.9 | 8.1 | 34.3 |
| 31 | 33.9 | 11.6 | 15.2 | 12 | 9.1 | 8.3 | 34.3 |
| 32 | 34.6 | 11.8 | 15.4 | 12.4 | 9.3 | 8.5 | 34.3 |
| 33 | 35.8 | 12 | 15.7 | 12.6 | 9.4 | 8.7 | 34.3 |
| 34 | 36.6 | 12.2 | 15.9 | 12.8 | 9.6 | 9.1 | 34.3 |
| 36 | 37.8 | 12.6 | 16.1 | 13.6 | 10.2 | 9.4 | 34.3 |
| 38 | 40.6 | 13 | 16.5 | 14.2 | 10.6 | 9.8 | 34.3 |
| 40 | 42.1 | 13.4 | 16.9 | 14.6 | 10.8 | 9.8 | 34.3 |
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Listed under: Straight · Regular · Biggest Waists
Find jeans that measure like the size 33 →
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Where to buy
- Okayama Denim (opens in new tab)$230In stock
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About Okayama Denim
Okayama Denim grew out of the Okayama Denim Project, which Merv Sethi began in 2011 to raise money for the Japanese Red Cross after the Great East Japan Earthquake. The company is based in Tokyo and operates entirely from Japan as an online retailer of Japanese selvedge denim, and it was shipping to more than 70 countries by 2019. Its jeans are collaborations with Japanese makers, including Pure Blue Japan, Japan Blue, Samurai, Studio D’Artisan, Momotaro, and Big John, often in fabrics made exclusively for the store, such as the “Luxe” selvedge woven by Nihon Menpu in Ibara.
More Okayama Denim fits
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Source: retailer size chart (opens in new tab). Last verified 2026-09-01. Always confirm with the retailer before buying — fits are re-cut seasonally.