ONI Denim

ONI Denim ONI525-NI 16.5oz Natural Indigo Denim Size Chart

Every published measurement for the ONI Denim ONI525-NI 16.5oz Natural Indigo Denim, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutRegular Straight
Maker's fit nameClassic Straight
Fabric16.5oz Natural Indigo Denim
MillNot listed
Sizes29–38

In a size 33, the ONI Denim ONI525-NI 16.5oz Natural Indigo Denim measures 33″ waist, 10.75″ front rise, 10.75″ thigh and 7.75″ leg opening. Sizes on its chart run from ½″ under the tag to 1″ over it, and each size up adds ¾″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseBack RiseThighLeg OpeningInseam
29301013.7510733.75
3030.7510.251410.257.2533.75
3131.510.514.2510.57.533.75
3232.2510.7514.2510.757.7533.75
333310.7514.510.757.7533.75
3433.751114.7511833.75
3635.7511.251511.58.2533.75
3837.511.515.2511.758.7533.75

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 2026-09-23. Always confirm with the retailer before buying — fits are re-cut seasonally.