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FOB FACTORY / F3519 Check Open-Collar Shirt
Introducing an ombre check shirt from FOB FACTORY that develops richer character the more it is worn.
The softly blurred gradation of the check pattern is paired with an open collar and boxy silhouette, creating an easy, relaxed piece to throw on. Its defining feature, however, lies in a unique dyeing process that is not immediately visible at first glance.
The indigo sections are rope-dyed using the same method as denim, while the colored yarns are treated with a special dye designed to evolve over time. With repeated wear and washing, the crisp colors of a new shirt gradually fade, developing into a check pattern that becomes uniquely your own.
For those who prefer clothing that grows better with time rather than simply following trends. A Japanese-made open-collar shirt designed to be enjoyed for years.
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FOB FACTORY
Inspired by vintage clothing, FOB FACTORY creates workwear, military garments, and jeans from its base in Kojima, Kurashiki, Okayama—one of Japan's leading production regions. Every stage of production is carried out in Japan, with the aim of making clothes that customers will still be glad they bought three years later.


A Plaid That Fades Like Denim
The fabric is a 100% cotton ombré check, finished in a versatile weight that can be worn throughout the year.
Ombré refers to a check pattern in which the shades gradually transition like a gradient. The softly blurred boundaries between colors give it a calmer, more understated appearance than a conventional grid check, making it easy to incorporate into everyday styling.
The indigo sections are dyed using the same rope-dyeing method used for denim. Because only the surface of the yarn is dyed while the core remains white, repeated wear and washing gradually wears away the outer color, creating the tonal variation and irregular fading characteristic of denim.
The colored sections are also treated with a special discharge-reactive dyeing process. As not only the indigo but the entire pattern gradually changes over time, the shirt evolves from its vivid original colors into the softly faded character of a well-worn vintage piece.

An Open Collar and Characterful Cat-Eye Buttons
The neckline features an open collar that sits cleanly around the neck. Even when fully buttoned and worn on its own, it retains a relaxed appearance, while also working naturally as a light layer over a T-shirt.

The front is fitted with shell cat-eye buttons featuring a recessed center. Their simple, workwear-inspired shape and the subtle luster unique to natural shell add a quiet accent against the check pattern.
A flap pocket is positioned at the front.


The hem is cut straight with no difference in length between the front and back. When worn untucked, the even hemline creates a well-balanced look with wide trousers or denim.

A Relaxed Boxy Silhouette
The shirt features a roomy body with a boxy silhouette that falls straight to the hem. It does not cling to the body's contours, making it easy to wear either on its own or as a light outer layer.
The straight-cut hem keeps the relaxed silhouette from looking overly loose. Wear it on its own in spring and autumn, as a light layer against air conditioning in summer, or under a jacket or coat during colder months.
A piece designed to be worn across the seasons, developing richer color and character with time.



SIZE
※Check out the size guide for more accurate measurements.
Staff comment
Staff Fitting Comments
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●Staff Height/Weight: 165cm / 64kg Wearing size: S Body type: Slim (narrow shoulders) Fit: Relaxed Length: Just right There is a comfortable amount of room around the shoulders and body, creating a relaxed fit without feeling restrictive. The sleeves reach around the wrists, while the hem falls slightly over the hips. It offers the easy feel of a boxy silhouette while remaining well-balanced and not overly oversized. |
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●Staff Height/Weight: 171cm / 70kg Wearing size: M Body type: Average Fit: True to size Length: Just right The shoulders fit almost perfectly, with enough room through the body for comfortable movement. Both the sleeve and body lengths are neatly balanced without feeling too long. It works well worn buttoned up on its own or layered over a lightweight T-shirt. |
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●Staff Height/Weight: 177cm / 73kg Wearing size: L Body type: Average Fit: True to size Length: Just right The shoulders sit naturally, while the body has a moderate amount of room for a true-to-size fit. The sleeves reach around the wrists, and the hem falls over the hips. The boxy silhouette comes through cleanly without looking overly loose. |
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●Staff Height/Weight: 181cm / 78kg Wearing size: XL Body type: Broad build (wide shoulders) Fit: True to size Length: Just right Even with a broader, wide-shouldered build, there is no feeling of tightness, and the fit falls naturally from the shoulders through the body. Both the sleeve and body lengths feel just right, with no sense of being too short. It offers just enough room to keep the boxy silhouette looking clean and balanced. |
SPEC
| Materials | 100% cotton |
|---|---|
| Country of Origin | JAPAN |
| Model Wearing | Wearing size L(177cm/70kg) |
| Care Instructions | ※Please note that the colours may look different from the real thing depending on your monitor environment. |
| Weight | 390g |
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