SAMURAI JEANS(サムライジーンズ) is an Osaka-founded Japanese denim brand known for characterful fabrics and details inspired by Japanese imagery. Its S710XX19ozⅡ offers a useful introduction: a slim-straight pair made from 19oz Kiwami denim, with silver thread in the selvedge and a one-wash finish.
The appeal is in the combination of a substantial textile and small details you notice up close. Before choosing a pair, pay as much attention to the exact model code and measurements as to the denim’s weight.
SAMURAI JEANS at a glance
| Brand | SAMURAI JEANS(サムライジーンズ) |
|---|---|
| Founded | Osaka, 1998 |
| Founder | Toru Nogami |
| Example model | S710XX19ozⅡ Slim Straight |
| Fabric | 19oz Kiwami selvedge denim |
| Finish and origin | One-washed; made in Japan |
Osaka roots, with a story that reaches the cotton field
The official concept page dates the brand to Osaka in 1998. Its philosophy emphasizes the relationship between the maker and the wearer, along with close attention to cotton, yarn and traditional dyeing and weaving methods.
There is also a distinct agricultural side to the brand. Its cotton project works with local growers in Tamba-Sasayama, Hyogo Prefecture. The company describes an effort to grow cotton locally and has released items containing a proportion of its own hand-harvested cotton since 2020.
This project is part of the wider brand story. It should not be read as a claim that every Samurai garment, or the S710XX19ozⅡ specifically, uses cotton grown on that farm.
Meet the S710XX19ozⅡ
Samurai describes this model as a slim straight with moderate taper. Its 19oz Kiwami denim is woven on vintage shuttle looms from uneven yarns, giving the fabric a pronounced texture. The official product introduction emphasizes firmness and the development of fades.
Details include a silver-thread “Katana” selvedge line, iron sunrise buttons, copper coin-shaped rivets and patterned pocket lining with the phrase shogyo mujo, associated with impermanence. These turn a seemingly simple indigo pair into something worth examining closely.
| Model code | S710XX19ozⅡ |
|---|---|
| Silhouette | Slim straight, with moderate taper |
| Denim | 19oz Kiwami |
| Selvedge detail | Silver “Katana” thread |
| Wash | One wash |
| Made in | Japan |
Why the full model code matters
The current official store explains that models with a “W” suffix use a different, somewhat larger cut intended for international customers. Do not assume a review of a W-suffix pair describes the exact fit of the standard version.
Check the full model name, wash condition and size table together. The store’s measurements are taken after washing and sun drying, with an allowance for differences between garments and washing conditions. When comparing shops, check how each seller measures the thigh, rise and waist.

Choosing heavyweight denim for daily wear
A weight figure is a starting point, not a complete description of comfort. Try sitting, walking and bending in the jeans if you can. Compare the thigh and rise with a pair you already enjoy wearing, rather than choosing solely by a familiar waist label.
If you are new to heavyweight denim, consider the climate and how often you expect to wear it. The right pair should make sense in your own wardrobe; a heavier fabric is not automatically a better choice for every person.
Official price and ordering checks
On November 6, 2026, the official English-language store displayed ¥32,800 JPY for this model in the Japan/JPY view. This is the displayed listing price; verify the applicable tax, shipping, region and final checkout total. Availability varies by size.
See the actual jeans, current price and size chart at the official store →
The store states that hemmed jeans cannot be exchanged or refunded. Resolve sizing and inseam questions before ordering an alteration. Follow the care instructions supplied with your pair rather than treating a fade photograph as a washing prescription.
More Japanese denim to explore
Compare the S710XX19ozⅡ with the 21oz straight cut in our IRON HEART guide, or explore the vintage-inspired SD-101 in our STUDIO D’ARTISAN guide.
Sources
- SAMURAI JEANS — official concept
- SAMURAI JEANS — cotton project and production background
- SAMURAI JEANS — S710XX19ozⅡ model introduction
- Official online store — model, price, sizing and hemming
Official information checked November 6, 2026. This is a researched guide, not a hands-on wear test. Illustrations do not depict actual branded products.

