Iron Heart

Iron Heart SEXIH25-301 19oz Denim Jeans — Slim Tapered x Self Edge Size Chart

Every published measurement for the Iron Heart SEXIH25-301 19oz Denim Jeans — Slim Tapered x Self Edge, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutSlim Tapered
Maker's fit nameSlim Tapered
Fabric19oz Rinsed: Given one light wash before sale: sanforized, one-washed, or rinsed. Minimal further shrinkage. Japanese Selvedge Denim (USA Cotton)
MillKaihara Mills
Sizes29–40

In a size 33, the Iron Heart SEXIH25-301 19oz Denim Jeans — Slim Tapered x Self Edge measures 32″ waist, 11.5″ front rise, 12″ thigh and 7.5″ leg opening. Sizes on its chart run from 2½″ under the tag to 1″ under it, and each size up adds ½″. From knee to hem, the leg narrows ¾″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseBack RiseThighKneeLeg OpeningInseam
292810.514.2510.57.256.536
302910.7514.5117.56.7535.25
3129.51114.75117.75735.25
32301114.7511.57.757.2535.25
333211.514.75128.257.535.75
3432.511.51512.258.257.535.5
36341215.512.758.75835.75
383612.251613.598.2535.75
4037.512.7516.25149.58.7535.75

Scroll the table sideways for the rest of the columns.

Listed under: Tapered · Slim

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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 2026-07-12. Always confirm with the retailer before buying — fits are re-cut seasonally.