Technical flat drawn to scale from the size chart.
J501
High rise and a loose, straight leg: Japan Blue's roomiest classic cut.
For a 32″ waist (our default: enter yours). Size 31’s waistband measures 32″, right at your waist. Selvedge gives about an inch with wear, so a waistband that starts at your waist ends up comfortable, not loose.
- Maker’s fit name
- Loose
- Fabric
- 12.5oz Africa cotton selvedge
- Weight
- 12.5 oz · J504
- Maker
- Kojima, Okayama
- Shrinkage & finish
- Sanforized, one-washed Hemming and cuffing guide
Order size 31 for a 32″ 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.
The chart below was published for another weight of this cut. Heavier fabric can measure a little differently, so check with the seller.
Measured profile
at size 31- Rise
- high
- Thigh
- roomy
- Taper
- strong
- Opening
- medium
| TAG | 29 | 30 | 31 | 32 | 33 | 34 | 36 | 38 |
|---|---|---|---|---|---|---|---|---|
| Waist | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 |
| Front rise | 12 | 12½ | 12¾ | 12¾ | 13¼ | 13¾ | 13¾ | 14¼ |
| Back rise | 16¾ | 17 | 17 | 17¼ | 17¾ | 18 | 18¼ | 19½ |
| Thigh | 13¼ | 13¼ | 13¾ | 14 | 14¼ | 14½ | 15 | 15¾ |
| Knee | 9½ | 9½ | 10 | 10¼ | 10¼ | 10½ | 10¾ | 11¼ |
| Leg opening | 8 | 8¼ | 8½ | 8½ | 8¾ | 9¼ | 9½ | 9¾ |
| Inseam | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
Inches; thigh, knee and opening are measured flat. Transcribed from Rivet & Hide (published in inches). Retailers measure differently; confirm with the seller before you buy.
Compare with another model
Quick picks: TCB Baggy 50's Graph Zero GZ-15HRJ Big John S1950WS
Compare with jeans you own
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Cut close to the J501
The nearest matches by rise, thigh, knee and opening at size 31, from any maker.
Baggy 50's
広Wide- Rise
- 12⅜″
- Thigh
- 14⅛″
- Knee
- —
- Hem
- 9″
GZ-15HRJ
広Wide- Rise
- 12¾″
- Thigh
- 13⅜″
- Knee
- 10⅝″
- Hem
- 9½″
S1950WS
広Wide- Rise
- 12⅜″
- Thigh
- 13½″
- Knee
- —
- Hem
- 9¼″
34
広Wide- Rise
- 12¼″
- Thigh
- 12¾″
- Knee
- 9¾″
- Hem
- 9″