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COTTON RESEARCH CLUB / 6.6 oz Long-Sleeved Tubular T-shirt
This short sleeve T-shirt from COTTON RESEARCH CLUB is a basic T-shirt that you can wear every day, and is perfect for those who don't have a particular preference.
The fabric is made of 100% USA cotton, which has a dry touch. The fabric is manufactured using a method that contains a lot of air in the fibers, and while it is slightly thick, you can enjoy its light and smooth feel.
The high cost performance and the commitment to conducting all processes in Japan, mainly in Wakayama Prefecture, one of the world's leading fabric production centers, are points that cannot be overlooked.
This is a piece that could be mistaken for a vintage item, reproducing the materials and silhouette of the 90's. The affordable price range and durability are also a must. With an affordable price range and details that enhance durability, this is a gem that will surely change your mind from "whatever" to "This is the one" once you try it on.








COTTON RESEARCH CLUB
A Japanese blank-body brand produced by textile company Toyoshima, founded in 2025 with the concept of “Made in Japan.” Directed by Kazunori and Kanji Yamanobe — known for their work with A Bathing Ape — the brand draws inspiration from 1990s materials and silhouettes. Every step, from spinning to knitting and sewing, is done domestically. With a vision to create universal apparel that transcends age, race, and gender, COTTON RESEARCH CLUB pursues timeless, essential garments for the modern era.



Dry, Airy Comfort — Crafted with Intention
Made from 100% U.S.-grown cotton, this 6.6oz fabric delivers a distinct dry touch and substantial weight compared to standard T-shirts.
Despite its thickness, it feels light and smooth thanks to the use of open-end yarn, a spinning method that traps air within the fibers. This gives the fabric excellent moisture absorption and quick-drying properties for lasting comfort.

The crisp texture makes it ideal for warm weather, and its character deepens with each wear and wash — evolving into a piece that feels uniquely yours over time.

Thoughtful Details for Lasting Wear
The neckline features a classic crew design with a soft rib for easy wear.
Inside, a shoulder-to-neck binder reinforces the seams — a subtle but functional detail that reduces seam irregularities and adds durability around the neck and shoulders, ensuring this tee stands the test of time.


The sleeves and hem are finished with a single-needle stitch — a vintage detail often found in U.S.-made T-shirts from the mid-1990s.
This technique requires special machinery and skilled craftsmanship. While less efficient for mass production, it adds a subtle authenticity reminiscent of true vintage pieces.

The tubular knit body eliminates side seams, offering a smoother feel and unrestricted comfort for everyday wear.

The Everyday Tee, Elevated
With a relaxed yet balanced fit — neither too loose nor too slim — this T-shirt captures the essence of 1990s American vintage style. It’s a signature pattern that defines COTTON RESEARCH CLUB’s approach to modern basics.
Reflecting the brand’s belief in creating garments that transcend boundaries, this essential tee combines thoughtful craftsmanship with everyday wearability. A piece made to be worn, loved, and stocked — because even “ordinary” T-shirts deserve extraordinary care.


SIZE
※Check out the size guide for more accurate measurements.
Staff comment
● Staff (165cm / 52kg) Body type: Slim Wearing size: M Size S also fits, but it felt a bit tight, so I chose M for a more comfortable fit with moderate room around the body. The shoulders fit just right, and the sleeve cuffs stop neatly at the backs of the hands. The hem length covers about two-thirds of the hips. |
● Staff (171cm / 61kg) Body type: Average Wearing size: M / L Size M has slightly dropped shoulders and a comfortable amount of room through the body, with the hem covering about half of the hips. Size L features more dropped shoulders and a relaxed silhouette, with the hem covering about two-thirds of the hips. I’d choose M for a cleaner fit suitable for layering, or L for a more relaxed, easy-going look. |
● Staff (177cm / 67kg) Body type: Average Wearing size: L Fits similarly to the model. The shoulders drop naturally, and the body has a comfortable looseness. The hem covers about half of the hips. It works well both as a single layer and as an inner layer under outerwear. |
● Staff (181cm / 80kg) Body type: Broad build Wearing size: XL / XXL The shoulders drop slightly, and the sleeves reach just before the elbows. The length covers the hips completely, while the body has a moderately relaxed fit without looking bulky. For those who prefer a looser, more laid-back style, XXL is also recommended. |
SPEC
Materials | 100% cotton |
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Country of Origin | JAPAN |
Model Wearing | Wearing size L (178cm/70kg) |
Care Instructions | ※Please note that the colours may look different from the real thing depending on your monitor environment. |
Weight | 360g |
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