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A refined slim straight jean by Japan Blue from the brand's new Selvedge line — crafted from 12oz sanforized selvedge denim with a medium indigo stone wash, streamlined silhouette, and a soft, broken-in hand feel from day one.
| SIZE | 30 | 32 | 34 | 36 | 38 |
| Waist | 82 | 86 | 90 | 96 | 100 |
| Hip | 53 | 56 | 57 | 60 | 63 |
| Front Rise | 26 | 27 | 27 | 27 | 28 |
| Back Rise | 36 | 37 | 38 | 38 | 39 |
| Thigh | 30 | 31 | 32 | 33 | 35 |
| Knee | 20 | 20.5 | 21 | 21 | 22 |
| Leg Opening | 17 | 17.5 | 18 | 18.5 | 19 |
| Inseam | 81 | 81.5 | 82 | 82 | 83 |
Model size
David is 185 cm (6'1") tall, weighs 76 kg (167 lbs), and wears a size 30.
You can have your jeans hemmed with our vintage Union Special 43200G Chainstitching Machine, sewn with premium Ujyo Bussan thread from Okayama— the same thread used by most Japanese denim makers.
The cost for this service is €10,00 and will be added to your cart. Please remember that hemmed jeans or pants are non-returnable, so make sure to carefully check the size chart.
• It will take 4-5 additional business days.
• Please follow our measuring guide to check your inseam.
The Japan Blue JMJA1200 belongs to the brand's new Selvedge line — a considered continuation of Japan Blue's recent rebranding, which brings the label's focus firmly to clean, minimal design where every detail is stripped back so the fit, the wash, and the indigo can take center stage.
The fabric is an original 12oz sanforized selvedge denim that combines an authentic, classic appearance with a surprisingly lightweight feel and soft, comfortable hand. Woven at Japan Blue's own mill in Kojima, Okayama, the cloth carries the honest character of traditional selvedge production alongside the refined touch that defines the brand today. The warp threads are dyed with pure indigo, delivering a remarkably faithful natural blue tone that continues to evolve with wear.
This iteration arrives with a medium indigo stone wash — a subtle, considered finish applied through Kojima-Okayama's world-class processing expertise. The wash softens the fabric, opens up the color, and delivers a broken-in feel from the very first wear — perfect for those who want the softness and depth of aged denim without the wait.
The silhouette is a slim straight fit — cut with a slightly lower rise and a subtle taper that follows the natural line of the leg. Faithful to the straight lines inherent in selvedge denim, the model develops a naturally streamlined shape — offering the timeless feel of a classic five-pocket jean with a clean, contemporary edge that pairs seamlessly with both casual and refined styling.
Construction details are kept intentionally minimalist to preserve the clean visual identity: a UNIVERSAL Japan® metal zipper fly, copper male rivets, a blue cowhide leather patch, and a distinctive blue selvedge ID that quietly signals the new-line origins.
Fit Notes: This model runs slightly large, and is only produced in even-numbered sizes. Compared to most global American brands, we recommend sizing down one from your usual size for the intended fit. As the denim has been stone washed, no shrinkage is expected. If you fall between two sizes, we recommend sizing down. As always, we strongly recommend checking our size chart and comparing it with your best-fitting pair to find the perfect size.
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Details
Shipping
Spain
FREE SHIPPING on orders over 100 EUR .
6 EUR shipping cost on orders under the value mentioned above.
European Union & The UK
FREE SHIPPING on orders over 150 EUR \\.
14 EUR shipping cost on orders under the value mentioned above.
Rest of the World
FREE SHIPPING on orders over 250 EUR .
25 EUR shipping cost on orders under the value mentioned above.
Returns
If for some reason you are not happy with your purchase you can return it to us within 14 days for a size exchange or refund.
For more info please visit our returns & exchange page.
Please note that items in the SALE category are considered FINAL SALE, with no returns or exchanges accepted.
Reviews
| SIZE | 30 | 32 | 34 | 36 | 38 |
| Waist | 82 | 86 | 90 | 96 | 100 |
| Hip | 53 | 56 | 57 | 60 | 63 |
| Front Rise | 26 | 27 | 27 | 27 | 28 |
| Back Rise | 36 | 37 | 38 | 38 | 39 |
| Thigh | 30 | 31 | 32 | 33 | 35 |
| Knee | 20 | 20.5 | 21 | 21 | 22 |
| Leg Opening | 17 | 17.5 | 18 | 18.5 | 19 |
| Inseam | 81 | 81.5 | 82 | 82 | 83 |











