M104J (001) BASE (CLASSIC FIT)
28
¥35,700
Sale price
¥35,700
Regular price
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Neither slim nor oversized, the silhouette is defined by its natural balance.
The result is a familiar yet carefully refined shape — one that feels immediately authentic and remains relevant regardless of the season.
The fabric retains the firmness and texture expected from authentic denim while gradually softening as it adapts to the wearer.
The selvedge construction reflects the heritage of traditional jean-making.
It can be worn with a white T-shirt and sneakers, a work shirt and boots, or a tailored jacket and leather shoes.
The moderate hem width works with a wide range of footwear, from sneakers and loafers to traditional work boots.
As the denim softens and fades, the straightforward silhouette becomes increasingly personal.
■ Out of Stock Items
M104J (001) BASE (CLASSIC FIT)
¥35,700
Sale price
¥35,700
Regular price
BASE. The essential straight jean — authentic, timeless, and built to become your own.
Created as the foundation of a denim wardrobe, the BASE expresses the enduring form of a true five-pocket jean through a balanced classic fit.
■ BASE
BASE represents the starting point: a jean that does not rely on excess, novelty, or passing trends.
Its proportions are rooted in the authentic straight-leg jeans that established denim as an essential part of everyday clothing.
Neither slim nor oversized, the silhouette is defined by its natural balance.
It offers comfortable room through the hip and thigh, then continues toward the hem in a clean, composed line.
The result is a familiar yet carefully refined shape — one that feels immediately authentic and remains relevant regardless of the season.
It is the kind of jean that can be worn repeatedly, styled instinctively, and trusted for years.
■ Fabric — 100% cotton selvedge denim
The fabric is a 100% cotton selvedge denim, chosen for its traditional character, durable structure, and ability to age naturally.
A one-wash treatment gives the denim a clean appearance and a more approachable feel from the beginning.
The fabric retains the firmness and texture expected from authentic denim while gradually softening as it adapts to the wearer.
With continued use, natural creases, fading, and abrasion appear, giving each pair a unique expression.
The selvedge construction reflects the heritage of traditional jean-making.
When the hem is turned up, the selvedge edge becomes a subtle visual detail and a quiet sign of the fabric’s authentic construction.
■ Concept — The jean in its most essential form
BASE is designed around the idea that the strongest jean is often the simplest one.
Every proportion has been considered to create an honest, versatile silhouette that allows the denim itself to take the leading role.
It can be worn with a white T-shirt and sneakers, a work shirt and boots, or a tailored jacket and leather shoes.
Its understated shape accepts different styles without losing its identity, making it a dependable foundation for everyday dressing.
■ Silhouette — CLASSIC FIT
The silhouette is an authentic CLASSIC FIT with a balanced rise, comfortable room through the waist and thigh, and a straight line toward the hem.
The proportions are neither narrow nor excessively wide, giving the jean a timeless and naturally masculine appearance.
The moderate hem width works with a wide range of footwear, from sneakers and loafers to traditional work boots.
Worn full length, cuffed, or allowed to break naturally over the shoe, BASE maintains its classic identity.
As the denim softens and fades, the straightforward silhouette becomes increasingly personal.
An authentic straight jean that serves as the foundation of the BIG JOHN denim collection — and the foundation of a wardrobe.
■ Product Details
• Style No.: M104J
• Product Name: BASE
• Fit: CLASSIC FIT
• Color No.: 001
• Color: One Wash
• Material: 100% cotton
• Fabric: Selvedge denim
• Country of Origin: Made in Japan
• Silhouette: Classic straight fit
■ Key Features
• Authentic classic-fit five-pocket jean
• Timeless straight-leg silhouette
• Balanced room through the hip and thigh
• Clean line from the knee to the hem
• 100% cotton selvedge denim
• Clean one-wash finish
• Deep indigo character
• Versatile proportions for everyday styling
• Designed to develop natural fading with wear
• Made in Japan
■ Size Guide (cm)
| Size | Waist | Inseam | Thigh | Knee | Hem | Hip | Rise |
|---|---|---|---|---|---|---|---|
| 28 | 73.0 | 82.0 | 28.8 | 23.0 | 20.0 | 95.0 | 30.0 |
| 29 | 75.5 | 82.0 | 29.4 | 23.5 | 20.5 | 97.5 | 30.5 |
| 30 | 78.0 | 82.0 | 30.0 | 24.0 | 21.0 | 100.0 | 31.0 |
| 31 | 80.5 | 82.0 | 30.6 | 24.5 | 21.5 | 102.5 | 31.5 |
| 32 | 83.0 | 82.0 | 31.2 | 25.0 | 22.0 | 105.0 | 32.0 |
| 33 | 85.5 | 82.0 | 31.8 | 25.5 | 22.5 | 107.5 | 32.5 |
| 34 | 88.0 | 82.0 | 32.4 | 26.0 | 23.0 | 110.0 | 33.0 |
| 36 | 93.0 | 82.0 | 33.6 | 27.0 | 24.0 | 115.0 | 34.0 |
| 38 | 98.0 | 82.0 | 34.8 | 28.0 | 25.0 | 120.0 | 35.0 |
■ Size Guide (inches)
| Size | Waist | Inseam | Thigh | Knee | Hem | Hip | Rise |
|---|---|---|---|---|---|---|---|
| 28 | 28.7 | 32.3 | 11.3 | 9.1 | 7.9 | 37.4 | 11.8 |
| 29 | 29.7 | 32.3 | 11.6 | 9.3 | 8.1 | 38.4 | 12.0 |
| 30 | 30.7 | 32.3 | 11.8 | 9.4 | 8.3 | 39.4 | 12.2 |
| 31 | 31.7 | 32.3 | 12.0 | 9.6 | 8.5 | 40.4 | 12.4 |
| 32 | 32.7 | 32.3 | 12.3 | 9.8 | 8.7 | 41.3 | 12.6 |
| 33 | 33.7 | 32.3 | 12.5 | 10.0 | 8.9 | 42.3 | 12.8 |
| 34 | 34.6 | 32.3 | 12.8 | 10.2 | 9.1 | 43.3 | 13.0 |
| 36 | 36.6 | 32.3 | 13.2 | 10.6 | 9.4 | 45.3 | 13.4 |
| 38 | 38.6 | 32.3 | 13.7 | 11.0 | 9.8 | 47.2 | 13.8 |
■ Measuring Guide
For details on how to measure, please refer to the size guide.
■ Notes
Measurements are taken with the garment laid flat. Slight variations may occur.
This product uses indigo dye. Fading and color transfer may occur with wear and washing.
Please be careful of color transfer to light-colored garments, accessories, bags, car seats, or furniture.
Shrinkage may occur after washing.
Please avoid tumble drying.
Please check the care label before washing.
Do not use chlorine bleach.
■ Out of Stock Items
For sizes currently out of stock, inventory may still be available at our directly managed stores.
Please feel free to contact us for availability or future restock information.
*When contacting us, please include the product style number, color, and size.
Contact us here
- BASE CLASSIC FIT by BIG JOHN
- Authentic straight-leg five-pocket jean
- Timeless proportions that are neither slim nor oversized
- Comfortable room through the hip and thigh
- 100% cotton selvedge denim
- Clean one-wash finish
- Deep indigo character designed to evolve with wear
- Versatile silhouette for everyday styling
- Made in Japan
- Designed to become more personal through years of wear
The jean in its most essential form.
Authentic proportions, selvedge denim, and timeless simplicity.
A dependable foundation designed to be worn, faded, and lived in.