Iron Heart IH-633s-18 Vintage Denim Jeans Straight Tapered Size Chart
Every published measurement for the Iron Heart IH-633s-18 Vintage Denim Jeans Straight Tapered, size by size, widths flat and waist doubled, the numbers the tag size doesn't tell you.
In a size 34, the Iron Heart IH-633s-18 Vintage Denim Jeans Straight Tapered measures 32″ waist, 11″ front rise, 12.25″ 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″. From knee to hem, the leg narrows 1½″.
| Size | Waist | Front Rise | Back Rise | Thigh | Knee | Leg Opening | Inseam |
|---|---|---|---|---|---|---|---|
| 29 | 27.5 | 10.2 | 14.2 | 11 | 7.8 | 6.5 | 37 |
| 30 | 28 | 10.5 | 14.5 | 11.25 | 8 | 6.75 | 37 |
| 31 | 29 | 10.5 | 15 | 11.5 | 8.5 | 7 | 37.5 |
| 32 | 30 | 10.75 | 15 | 12 | 8.5 | 7.25 | 36 |
| 33 | 31 | 10.75 | 15 | 12 | 8.75 | 7.25 | 35.5 |
| 34 | 32 | 11 | 15 | 12.25 | 9 | 7.5 | 35.5 |
| 36 | 34 | 11.5 | 15.3 | 13 | 9.4 | 7.9 | 36 |
| 38 | 36 | 12 | 15.75 | 13.8 | 9.75 | 8.25 | 36.25 |
| 40 | 38 | 12.25 | 15.75 | 14.25 | 10 | 8.75 | 36.25 |
| 42 | 40 | 12.5 | 15.75 | 14.5 | 10.25 | 8.75 | 36.25 |
Scroll the table sideways for the rest of the columns.
Listed under: Straight · Regular · Biggest Waists
Find jeans that measure like the size 34 →
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Where to buy
- Self Edge (opens in new tab)$385In 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 2026-10-16. Always confirm with the retailer before buying — fits are re-cut seasonally.