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
- 14.8oz US cotton selvedge
- Weight
- 14.8 oz
- 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.
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
The Big John S1950WS is wider at the opening (+¾″), slimmer in the thigh (−¼″), lower in the rise (−⅜″) and smaller in the waist (−¼″). Both are Wide cuts.
How the S1950WS would fit
- A wider opening that sits easily over boots and stacks less.
| J501size 31 | S1950WSsize 31 | Diff. | |
|---|---|---|---|
| Waist | 32 | 31¾ | −¼″ |
| Front rise | 12¾ | 12⅜ | −⅜″ |
| Back rise | 17 | — | – |
| Thigh | 13¾ | 13½ | −¼″ |
| Knee | 10 | — | – |
| Leg opening | 8½ | 9¼ | +¾″ |
| Inseam | 32 | 32⅝ | +⅝″ |
Diff. is the S1950WS minus the J501. Clear
Compare with jeans you own
Talk about the J501
No discussions yet. Own a pair, or thinking about one? Start the conversation.
How members wear it
No one has logged photos of the J501 yet. Own a pair? Add it to your collection with your size, how it fits and how it's fading. It helps the next person choose, and earns you points.
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″