Japan Blue

Japan Blue JMJA0902 (M01) 9oz Light Curve Jeans Medium Indigo Size Chart

Every published measurement for the Japan Blue JMJA0902 (M01) 9oz Light Curve Jeans Medium Indigo, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutRegular Straight
Maker's fit nameUnknown
Fabric9oz Light Curve Jeans Medium Indigo
MillCollect Mills
Sizes28–38

In a size 34, the Japan Blue JMJA0902 (M01) 9oz Light Curve Jeans Medium Indigo measures 37.25″ waist, 13.5″ front rise, 15.75″ thigh and 10″ leg opening. Every size on its chart measures 3¼″ over its tag.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseThighLeg OpeningInseam
2831.251314.259.2530.75
3033.2513.2514.759.530.75
3235.2513.515.259.7530.75
3437.2513.515.751030.75
3639.2513.7516.510.2530.75
3841.25141710.530.75

Scroll the table sideways for the rest of the columns.

Listed under: Straight · Regular · High Rise · Roomiest Thighs · Biggest Waists

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About Japan Blue

Established in 2010 by the COLLECT mill in Kojima, Okayama, Japan Blue Jeans began as an in-house project of the Japan Blue Group, with Hiroki Kishimoto credited as its founder. The brand builds on the group’s own fabric development, holding that making jeans is making fabric, and its garments are cut, sewn, and finished in Kojima. Its selvedge denim is woven on vintage shuttle looms, often with rope dyeing and slub textures. The label launched with a single 14.8 oz. U.S. cotton selvedge fabric and now spans a wide range of weights and weaves.

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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.