Samurai Jeans S310XX-WASHI "Washi Denim" 15oz Size Chart
Every published measurement for the Samurai Jeans S310XX-WASHI "Washi Denim" 15oz, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.
In a size 34, the Samurai Jeans S310XX-WASHI "Washi Denim" 15oz measures 33″ waist, 12.75″ front rise, 14.5″ thigh and 10.25″ leg opening. Sizes on its chart run from 1½″ under the tag to even with it, and each size up adds ¾″. From knee to hem, the leg narrows ¾″.
| Size | Waist | Front Rise | Back Rise | Thigh | Knee | Leg Opening | Inseam |
|---|---|---|---|---|---|---|---|
| 30 | 30 | 11.5 | 16.25 | 13.5 | 10.25 | 9.5 | 33.75 |
| 31 | 30.75 | 12.25 | 16.5 | 13.75 | 10.5 | 9.5 | 34 |
| 32 | 31.5 | 12.25 | 16.5 | 14 | 10.75 | 9.75 | 33.75 |
| 33 | 32.25 | 12.5 | 17.25 | 14.25 | 10.75 | 9.75 | 34 |
| 34 | 33 | 12.75 | 17.25 | 14.5 | 11 | 10.25 | 33.75 |
| 35 | 33.75 | 12.75 | 17.25 | 14.75 | 11 | 10.25 | 33.75 |
| 36 | 34.75 | 13 | 17.75 | 15 | 11.5 | 10.75 | 34.25 |
| 38 | 37.5 | 13.5 | 18.5 | 15.75 | 11.75 | 11 | 33.75 |
| 40 | 38.5 | 13.75 | 18.5 | 16.25 | 12.25 | 11.5 | 34 |
Scroll the table sideways for the rest of the columns.
Listed under: Wide · Relaxed · High Rise · Roomiest Thighs
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About Samurai Jeans
Founded in Osaka in 1997 by Toru Nogami, Samurai Jeans is known for heavyweight selvedge denim, with fabrics ranging from 15oz to 25oz. The brand pays close attention to cotton quality, climate, and dyeing methods, works with vintage machinery, and grows some of its own cotton in Hyogo Prefecture through its Samurai Cotton Farm project. Its jeans carry details such as iron buttons and silver lamé selvedge, along with imagery drawn from Sengoku-era samurai, and the S510XX remains one of its best-known models.
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Source: retailer size chart (opens in new tab). Last verified 2026-09-23. Always confirm with the retailer before buying — fits are re-cut seasonally.