Pure Blue Japan

Pure Blue Japan WSB-013 "Double Slub" 16oz Rinsed Selvedge Denim Size Chart

Every published measurement for the Pure Blue Japan WSB-013 "Double Slub" 16oz Rinsed Selvedge Denim, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutSlim Tapered
Maker's fit nameSlim Tapered
Fabric16oz Rinsed: Given one light wash before sale: sanforized, one-washed, or rinsed. Minimal further shrinkage. Selvedge Denim
MillNot listed
Sizes30–40

In a size 34, the Pure Blue Japan WSB-013 "Double Slub" 16oz Rinsed Selvedge Denim measures 32.5″ waist, 10.15″ front rise, 12.3″ thigh and 6.75″ leg opening. Sizes on its chart run from 2¼″ under the tag to 1¼″ under it, and each size up adds 1″. From knee to hem, the leg narrows 1½″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseThighKneeLeg OpeningInseam
3028.59.511.17.25633
3129.759.6511.357.66.2533
3230.759.7511.67.756.2533
3331.751011.8586.533
3432.510.1512.38.256.7533
3533.510.3512.58.5733
36341012.758.67.1533
383610.7513.258.857.2533
4037.7511.2513.759.157.533

Scroll the table sideways for the rest of the columns.

Listed under: Tapered · Slim · Low Rise

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About Pure Blue Japan

Established in 1997 as Syoaiya Inc. in Kojima, Okayama, Pure Blue Japan takes its name and philosophy from a deep appreciation for the color of natural indigo. The company emphasizes Japanese production throughout the dyeing, weaving, sewing, and finishing processes, continually exploring new ways to express indigo through fabric. It is especially known for denim with pronounced slub, irregular surface texture, and complex character that becomes more distinctive with wear. Rather than relying on prominent branding, Pure Blue Japan puts the emphasis on the fabric itself and the craftsmanship behind it.

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Source: retailer size chart (opens in new tab). Last verified 2026-09-22. Always confirm with the retailer before buying — fits are re-cut seasonally.