Technical flat drawn to scale from the size chart. Knee not published; drawn as an estimate.
RNB-1427
A wide, easy leg in very heavy 22oz denim that drapes rather than clings.
For a 81.3 cm waist (our default: enter yours). Size 30’s waistband measures 78 cm, 3.3 cm under your waist. We recommend sizing down: this denim stretches about an inch with wear. It’ll be very snug at first, but push through the first week and it gives to your waist. Once it’s broken in you’ll get a clean, comfortable fit instead of extra fabric bunched under a belt.
- Maker’s fit name
- Wide
- Fabric
- 22oz heavyweight selvedge
- Weight
- 22 oz
- Maker
- Kojima, Okayama
- Shrinkage & finish
- Some shrinkage possible after washing Hemming and cuffing guide
Order size 30 for a 81.3 cm waist, and check the seller’s own chart before you buy. Menjitsu may earn a commission when you buy through these links. It never changes your price or which jeans we chart.
Measured profile
at size 30- Rise
- mid
- Thigh
- roomy
- Taper
- gentle
- Opening
- wide
| TAG | 30 | 32 | 34 | 36 | 38 | 40 | 42 |
|---|---|---|---|---|---|---|---|
| Waist | 78 | 83 | 87 | 93 | 99 | 103 | 109 |
| Front rise | 28 | 29 | 30 | 31 | 32 | 32 | 33 |
| Back rise | — | — | — | — | — | — | — |
| Thigh | 35 | 36 | 38 | 39 | 40 | 42 | 43 |
| Knee | — | — | — | — | — | — | — |
| Leg opening | 22 | 23 | 24 | 26 | 27 | 29 | 30 |
| Inseam | 87 | 87 | 86 | 86 | 86 | 86 | 86 |
Centimetres; thigh, knee and opening are measured flat. Transcribed from Kojima Genes (published in centimetres). Retailers measure differently; confirm with the seller before you buy.
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Cut close to the RNB-1427
The nearest matches by rise, thigh, knee and opening at size 30, from any maker.
2025
広Wide- Rise cm
- 31.8
- Thigh
- 34.3
- Knee
- 26.7
- Hem
- 24.1
WWII Model
直Straight- Rise cm
- 31.8
- Thigh
- 33
- Knee
- 24.8
- Hem
- 23.5
0105XXW
広Wide- Rise cm
- 30
- Thigh
- 34
- Knee
- 25.9
- Hem
- 24.1
400Z
広Wide- Rise cm
- 28.6
- Thigh
- 34.3
- Knee
- 24.8
- Hem
- 23.5