ONI Denim

ONI Denim 275 20oz Awa Sumi x Awa Shoai Regular Straight Jeans Size Chart

Every published measurement for the ONI Denim 275 20oz Awa Sumi x Awa Shoai Regular Straight Jeans, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutRegular Straight
Maker's fit nameRegular Straight
Fabric20oz Awa Sumi x Awa Shoai
MillNot listed
Sizes30–38

In a size 34, the ONI Denim 275 20oz Awa Sumi x Awa Shoai Regular Straight Jeans measures 35.5″ waist, 12.25″ front rise, 13.5″ thigh and 8.75″ leg opening. Sizes on its chart run from ½″ over the tag to 1¾″ over it. From knee to hem, the leg narrows 1½″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseBack RiseThighKneeLeg OpeningInseam
3031.511.515.5129.58.2534.75
3233.7511.7516.2512.759.758.7534.75
3435.512.2516.7513.510.258.7533.75
3637.512.5171410.75934.75
3838.512.517.2514.5119.2534.25

Scroll the table sideways for the rest of the columns.

Listed under: Straight · Regular

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About ONI Denim

ONI Denim is a Japanese denim label associated with veteran denim specialist Masao Oishi and a deliberately low-profile approach to production. Rather than focusing on elaborate branding, it builds its reputation around distinctive fabrics woven with irregular yarns and low-tension techniques. Its denim is particularly prized for its pronounced slub texture, rugged appearance, and rich fading potential, with its much-discussed Secret Denim becoming a standout among enthusiasts of Japanese selvedge jeans.

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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.