Iron Heart IH-634S-14 Size Chart
Every published measurement for the Iron Heart IH-634S-14, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.
In a size 35, the Iron Heart IH-634S-14 measures 34″ waist, 11″ front rise, 13″ thigh and 9″ leg opening. Sizes on its chart run from 1½″ under the tag to 0.2″ over it, and each size up adds 0.95″. From knee to hem, the leg narrows 0.3″.
| Size | Waist | Front Rise | Back Rise | Thigh | Knee | Leg Opening | Inseam |
|---|---|---|---|---|---|---|---|
| 30 | 29.8 | 10.35 | 14.45 | 11.75 | 8.5 | 8.2 | 35.85 |
| 31 | 30.7 | 10.5 | 14.5 | 12 | 8.65 | 8.3 | 35.5 |
| 32 | 32.2 | 10.75 | 14.5 | 12.2 | 8.8 | 8.4 | 36.25 |
| 33 | 33.2 | 10.9 | 14.8 | 12.7 | 9.1 | 8.75 | 35.95 |
| 34 | 33.3 | 10.9 | 14.85 | 12.9 | 9.2 | 8.75 | 36.1 |
| 35 | 34 | 11 | 15 | 13 | 9.3 | 9 | 35.5 |
| 36 | 35.2 | 11.5 | 15 | 13.25 | 9.7 | 9.5 | 35.5 |
| 38 | 37.2 | 11.75 | 15.5 | 14 | 9.9 | 9.75 | 35.75 |
| 40 | 39 | 12.1 | 15.85 | 14.6 | 10.3 | 10.25 | 35.65 |
| 42 | 40.5 | 12 | 15.95 | 14.9 | 10.5 | 10.25 | 35.85 |
Scroll the table sideways for the rest of the columns.
Listed under: Straight · Regular · Biggest Waists
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Where to buy
- Withered Fig (opens in new tab)$335In stock
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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 2026-09-22. Always confirm with the retailer before buying — fits are re-cut seasonally.