Technical flat drawn to scale from the size chart. Knee not published; drawn as an estimate.
RNB-1433
A plain zip-fly straight leg in 14oz selvedge, easy through the thigh.
For a 81.3 cm waist (our default: enter yours). Size 31’s waistband measures 80 cm, 1.3 cm under your waist: a firm break-in. Expect it to feel tight for the first week or two while the waistband gives most of its inch, then it settles close to your waist.
- Maker’s fit name
- Straight
- Fabric
- 14oz selvedge
- Weight
- 14 oz
- Maker
- Kojima, Okayama
- Shrinkage & finish
- One-washed; some further shrinkage possible Hemming and cuffing guide
Order size 31 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 31- Rise
- low
- Thigh
- regular
- Taper
- gentle
- Opening
- medium
| TAG | 30 | 31 | 32 | 33 | 34 | 36 | 38 | 40 | 42 |
|---|---|---|---|---|---|---|---|---|---|
| Waist | 75 | 80 | 83 | 84 | 86 | 93 | 97 | 101 | 107 |
| Front rise | 26 | 26 | 28 | 28 | 29 | 29 | 29 | 30 | 30 |
| Back rise | — | — | — | — | — | — | — | — | — |
| Thigh | 31 | 31 | 32 | 32 | 33 | 34 | 36 | 37 | 38 |
| Knee | — | — | — | — | — | — | — | — | — |
| Leg opening | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 24 |
| Inseam | 87 | 86 | 86 | 86 | 86 | 86 | 86 | 87 | 87 |
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.
Compare with another model
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Cut close to the RNB-1433
The nearest matches by rise, thigh, knee and opening at size 31, from any maker.
FN-8005
直Straight- Rise cm
- 27.4
- Thigh
- 32.5
- Knee
- —
- Hem
- 22.1
IH-634S
直Straight- Rise cm
- 26.7
- Thigh
- 31.1
- Knee
- 22.2
- Hem
- 20.3
S500AX
直Straight- Rise cm
- 26.7
- Thigh
- 31.8
- Knee
- 22.9
- Hem
- 21
S0510XX-II
直Straight- Rise cm
- 27.7
- Thigh
- 31.2
- Knee
- —
- Hem
- 21.2