Technical flat drawn to scale from the size chart.
421SW
Medium rise with minimal taper from the knee: an honest, roomy straight leg.
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
- Classic Straight
- Fabric
- 13.5oz original selvedge
- Weight
- 13.5 oz
- Maker
- Tokyo
- Shrinkage & finish
- Rinsed to remove shrinkage 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
- slim
- Taper
- gentle
- Opening
- medium
| TAG | 30 | 31 | 32 | 33 | 34 | 36 | 38 | 40 |
|---|---|---|---|---|---|---|---|---|
| Waist | 31 | 32 | 33 | 34 | 34¾ | 37 | 38¼ | 40 |
| Front rise | 11¼ | 11½ | 11¾ | 12 | 12 | 12 | 12¼ | 12¼ |
| Back rise | — | — | — | — | — | — | — | — |
| Thigh | 11¼ | 11½ | 12 | 12¼ | 12½ | 13⅜ | 14¼ | 14¾ |
| Knee | 8¾ | 9 | 9⅛ | 9¼ | 9½ | 10⅝ | 11 | 11¼ |
| Leg opening | 8 | 8 | 8¼ | 8½ | 8¾ | 9⅜ | 9⅞ | 10¼ |
| Inseam | 34 | 34½ | 34½ | 35½ | 35½ | 36 | 36 | 36 |
Inches; thigh, knee and opening are measured flat. Transcribed from Blue Owl (published in inches). Retailers measure differently; confirm with the seller before you buy.
Compare with another model
The Boncoura 66 is shorter in the leg (−4¼″), smaller in the waist (−½″), narrower at the opening (−¼″) and narrower at the knee (−¼″). Straight vs Slim Straight.
How the 66 would fit
- Shorter in the leg: less cuffing needed.
| 421SWsize 31 | 66size 31 | Diff. | |
|---|---|---|---|
| Waist | 32 | 31½ | −½″ |
| Front rise | 11½ | 11½ | same |
| Back rise | — | 15¼ | – |
| Thigh | 11½ | 11½ | same |
| Knee | 9 | 8¾ | −¼″ |
| Leg opening | 8 | 7¾ | −¼″ |
| Inseam | 34½ | 30¼ | −4¼″ |
Diff. is the 66 minus the 421SW. Clear
Compare with jeans you own
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Cut close to the 421SW
The nearest matches by rise, thigh, knee and opening at size 31, from any maker.
66
細Slim Straight- Rise
- 11½″
- Thigh
- 11½″
- Knee
- 8¾″
- Hem
- 7¾″
XX
直Straight- Rise
- 11½″
- Thigh
- 11¾″
- Knee
- 9¼″
- Hem
- 8″
SD-1001
直Straight- Rise
- 11¼″
- Thigh
- 12¼″
- Knee
- 9¼″
- Hem
- 8½″
Lot 1105
絞Tapered- Rise
- 11¾″
- Thigh
- 11⅜″
- Knee
- —
- Hem
- 7⅞″