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A refined chino trouser by ONI Denim, crafted from authentic West Point fabric developed for U.S. Military Academy uniforms, cold-mercerized and cut in the celebrated 747 Silhouette.
| SIZE | 29 | 30 | 31 | 32 | 33 | 34 | 36 | 38 |
| Waist | 74 | 76 | 79 | 81 | 84 | 86 | 90 | 96 |
| Hip | 50 | 51.5 | 52.5 | 54 | 55 | 56 | 59 | 62 |
| Front Rise | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 |
| Back Rise | 37.5 | 38.5 | 38.5 | 39.5 | 40.5 | 40.5 | 41.5 | 42.5 |
| Thigh | 30 | 31 | 31 | 32 | 32.5 | 33 | 34.5 | 36 |
| Knee | 22 | 22 | 22.5 | 23.5 | 24 | 24.5 | 25.5 | 27 |
| Leg Opening | 20 | 20 | 20.5 | 21.5 | 21.5 | 22 | 22.5 | 24 |
| Inseam | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 |
Model size
Javi is 185 cm (6'1") tall, weighs 72 kg (159 lbs), and wears a size 31.
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 ONI Denim Weapon Chino is a departure from everything that has built ONI's reputation as a denim house — and a compelling one. The West Point cloth, known in Japan as "Weapon" (a contraction of West Point), was originally developed for the uniforms of the American military academy and remains one of the finest examples of high-density cotton twill available.
Unlike a conventional chino, which uses single yarns, the West Point fabric is constructed with plied yarns at both warp and weft. The result is a cloth with superior structure, a cleaner drape, and a sense of substance from the first touch. A cold mercerization treatment further strengthens the fibers, improves color retention, and contributes a subtle natural sheen — softened here into something more understated through Oishi-san's one-wash finish.
The silhouette is the 747 fit, with a moderately high rise, a comfortable top block through the hips and thighs, and a gradual taper toward a modern, well-balanced hem. The result is a trouser that reads equally at home with sneakers, boots, or dress shoes.
Details are kept deliberate and restrained throughout. The trousers feature a zip fly, military-inspired urea buttons, two front slash pockets, and two rear welt pockets. The woven ONI patch — chosen specifically over leather to eliminate dye transfer risk — quietly reinforces the considered approach behind every element.
Fit Notes: These trousers fit true to size. Compared to most global American brands, we recommend taking your usual size for a comfortable fit. The fabric has been one-washed, so minimal further shrinkage is expected. As always, we strongly recommend checking our size chart and comparing it with your best-fitting trousers to find the perfect fit.
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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 | 29 | 30 | 31 | 32 | 33 | 34 | 36 | 38 |
| Waist | 74 | 76 | 79 | 81 | 84 | 86 | 90 | 96 |
| Hip | 50 | 51.5 | 52.5 | 54 | 55 | 56 | 59 | 62 |
| Front Rise | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 |
| Back Rise | 37.5 | 38.5 | 38.5 | 39.5 | 40.5 | 40.5 | 41.5 | 42.5 |
| Thigh | 30 | 31 | 31 | 32 | 32.5 | 33 | 34.5 | 36 |
| Knee | 22 | 22 | 22.5 | 23.5 | 24 | 24.5 | 25.5 | 27 |
| Leg Opening | 20 | 20 | 20.5 | 21.5 | 21.5 | 22 | 22.5 | 24 |
| Inseam | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 |











