Iron Heart

Iron Heart IH-634S-SLB 16oz Slubby Selvedge Denim Size Chart

Every published measurement for the Iron Heart IH-634S-SLB 16oz Slubby Selvedge Denim, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.

CutRegular Straight
Maker's fit nameStraight
Fabric16oz Slubby Selvedge Denim
MillNot listed
Sizes30–42

In a size 35, the Iron Heart IH-634S-SLB 16oz Slubby Selvedge Denim measures 35″ waist, 11.3″ front rise, 12.4″ thigh and 9″ leg opening. Sizes on its chart run from ½″ under the tag to ½″ over it, and each size up adds 1″. From knee to hem, the leg narrows ¾″.

Measurements in inches, widths flat and waist doubled
SizeWaistFront RiseBack RiseThighKneeLeg OpeningInseam
3030.2510.251411.258.68.335
3131.510.514.2511.58.758.535
3232.510.7514.511.698.535
33331114.7129.28.735
343411.251512.29.68.935
353511.315.2512.49.75935
3636.2511.515.512.7109.335
3837.511.715.813.2510.29.535
4040.25121613.610.59.835
424212.416.51410.7510.2535

Scroll the table sideways for the rest of the columns.

Listed under: Straight · Regular · Biggest Waists

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