Iron Heart

Iron Heart IH-555S-SB 21oz Selvedge Denim Super Slim Cut Jeans - Superblack Non-Fade Size Chart

Every published measurement for the Iron Heart IH-555S-SB 21oz Selvedge Denim Super Slim Cut Jeans - Superblack Non-Fade, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutSkinny Straight
Maker's fit nameUnknown
Fabric21oz Sanforized Japanese Selvedge Denim (Superblack)
MillNot listed
Sizes29–40

In a size 34, the Iron Heart IH-555S-SB 21oz Selvedge Denim Super Slim Cut Jeans - Superblack Non-Fade measures 32.5″ waist, 10.75″ front rise, 12.5″ thigh and 7.5″ leg opening. Sizes on its chart run from 2″ under the tag to 1½″ under it, and each size up adds 1″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseThighLeg OpeningInseam
2927.59.5116.534.25
3028.59.511734.25
3129.51011.5735
3230.510.511.757.2535
333110.25127.2535
3432.510.7512.57.535
35331112.757.7535
36341113835
3836.511.513.58.535
4038.512148.535

Scroll the table sideways for the rest of the columns.

Listed under: Straight · Skinny

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About Iron Heart

Established in 2002 by Shinichi Haraki, Iron Heart began as a clothing brand for Japan’s motorcycling community, drawing on Haraki’s two decades in the Japanese garment industry, where he started as a pattern maker. Its company, Works Inc, is based in Japan with offices in Shibuya and Hachioji, and works mostly with small, family-run mills and workshops. The brand is known for heavyweight denim and durable fabrics, including Japanese-made jeans in cloth as heavy as 21oz and beyond.

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Source: retailer size chart (opens in new tab). Last verified 2026-08-15. Always confirm with the retailer before buying — fits are re-cut seasonally.