Pure Blue Japan

Pure Blue Japan XX-18oz-019 Jeans Straight Tapered Indigo/Indigo Slub Size Chart

Every published measurement for the Pure Blue Japan XX-18oz-019 Jeans Straight Tapered Indigo/Indigo Slub, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutRegular Straight
Maker's fit nameStraight
Fabric18oz-019 Jeans Indigo/Indigo Slub
MillNot listed
Sizes29–40

In a size 33, the Pure Blue Japan XX-18oz-019 Jeans Straight Tapered Indigo/Indigo Slub measures 30″ waist, 11.3″ front rise, 12.5″ thigh and 6.8″ leg opening. Sizes on its chart run from 3″ under the tag to 2″ under it, and each size up adds 1″. From knee to hem, the leg narrows 1.3″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseBack RiseThighKneeLeg OpeningInseam
292710.414.311.257.36.133
302810.514.811.87.56.333
3128.510.614.8127.86.433
32291114.812.37.96.533
333011.31512.58.16.833.3
343111.415.312.88.37.133.3
363311.515.813.48.87.333.3
3835121613.89.17.833.3
403712.516.5149.47.833.3

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Listed under: Straight · Regular · Roomiest Thighs

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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 2026-10-16. Always confirm with the retailer before buying — fits are re-cut seasonally.