COTTON RESEARCH CLUB
COTTON RESEARCH CLUB / 14.75oz Selvedge Denim Pants – Raw (Unwashed)
This is a pair for those who enjoy the process of wearing in their jeans over time.
Made from 14.75oz Japanese selvedge denim and left unwashed, it’s designed to evolve uniquely with each wearer through repeated washes and daily wear. The fabric is slowly woven on rare vintage shuttle looms and weighs in heavier than most (typically 11.5–13oz), giving it a solid, sturdy feel. Spun from brown cotton, the denim has a naturally vintage tone from the start. Over time, it fades into a more earthy, worn-in character.
Please be sure to read the Shrinkage Notice below before purchasing.
This item is raw (unwashed) and will shrink significantly after the first wash.
Please note: This item is brought in fresh from the manufacturer after each order. Most sizes ship within 2 weeks, but if we have stock in-store, we’ll dispatch your order within 1–2 business days.
indigo
black
indigo
black
COTTON RESEARCH CLUB
A blank-body label from Japan, created by Toyoshima — a well-known textile trading company. Launched in 2025 under the creative direction of Kazunori and Kanji Yamanobe (co-founders of A Bathing Ape), the brand focuses on timeless Japanese-made apparel inspired by '90s silhouettes and materials. From spinning to knitting and sewing, all production is done in Japan.
The goal: to create everyday essentials that transcend age, gender, and nationality.
Premium Japanese Denim
Crafted from 15oz selvedge denim, woven slowly on vintage shuttle looms in Japan. The result is a fabric that balances texture, structure, and durability. The yarn is #6 single ring-spun, made from natural brown cotton. Its rich surface texture and earthy hue will gradually emerge over time as it fades.
Shrinkage Notice
These jeans are made from raw (unwashed) denim and are designed to shrink after the first wash. Expect an overall shrinkage of approximately 6% in length and width. This is intentional — the fabric is cut slightly long and large to allow for natural shrinkage and to help the jeans mold to your body over time.
What to Expect:
- Waist will shrink by ~2 inches (5 cm)
- Inseam will shrink by ~2 inches (5 cm)
- Thigh and hem will slim down slightly
- The texture will soften with each wear and wash
Recommendations:
- Wash once before hemming for the best final length
- Choose your size based on post-wash measurements (see our size chart)
- Wear regularly to let the jeans adapt to your shape and develop a natural fade
*This is not a flaw — it’s part of the beauty of rigid denim. Each pair will become uniquely yours.
Notes on Black Color
The raw black version may appear slightly light at first, but washing will remove the starch and bring out a deeper, richer tone.
Simple, Timeless Details
Classic 5-pocket construction with a coin pocket.
YKK #5 zipper with semi-automatic locking mechanism to prevent slippage.
When cuffed, the selvedge line reveals a bold red stitch — a signature detail known as “aka-ear” in Japan.
Classic Tapered Fit
While it appears straight, there’s a subtle taper toward the hem.
A balanced silhouette that works with all kinds of tops and footwear.
FAQ
Q: What does 15oz denim feel like?
At 15oz, this denim starts off feeling solid and structured — ideal for those who enjoy a sturdy, long-lasting pair.
Over time, it softens and molds to you, becoming a second skin.
Q: How much will it shrink?
Approximately 6% in both length and width after the first wash.
That’s about 2 inches off the waist and inseam.
We recommend washing once before hemming and checking our post-wash size chart when choosing your size.
Q: Should I size up?
Not necessarily. The jeans are already cut slightly larger to account for shrinkage.
Stick with your regular size and refer to the post-wash measurements as your guide.
Q: Can I return or exchange if the fit isn’t right?
Yes — we accept returns or exchanges as long as the jeans are unwashed and unworn.
(Please see our full return policy for details.)
Make sure to try them on before washing to check the initial fit — but keep in mind, they’ll shrink by about 2 inches, which makes a big difference!
Q: How should I wash them?
For your first wash, turn them inside out and wash in cold water. Hang dry.
To preserve the indigo color and encourage natural fading, avoid frequent washing.
Q: Will the indigo bleed?
Yes — since this is raw, unwashed denim, some indigo transfer is expected, especially early on.
We recommend avoiding light-colored furniture, shoes, or bags when wearing them at first.
Q: Can I hem them before wearing?
We strongly recommend washing once before hemming.
The jeans will shrink in length by around 2 inches (5 cm) after the first wash, and hemming beforehand may result in a final inseam that’s too short.
SIZE
※Check out the size guide for more accurate measurements.
Staff comment
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● Staff (165cm / 52kg) Build: Slim Wearing size: 30 In its unwashed state, the waist has about 1.5 fist-widths of room. Since the waist is expected to shrink approximately 5cm after washing, it's slightly loose now but fits just right when cinched with a belt. The length is quite long, so we recommend hemming after the first wash. |
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● Staff (171cm / 61kg) Build: Average Wearing size: 30 Before washing, the waist has about one fist-width of room. With an expected shrinkage of about 5cm, this size should fit perfectly after washing. |
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● Staff (177cm / 67kg) Build: Average Wearing size: 32 Worn with the same silhouette as the model. The waist has about one fist-width of room pre-wash. Since it’s expected to shrink about 5cm, size 32 is just right. |
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● Staff (181cm / 80kg) Build: Broad Wearing size: 34 The waist has about one fist-width of room pre-wash. With an expected shrinkage of around 5.5cm, size 34 should be a good fit. For a more relaxed look, size 36 is also an option—let it gradually shrink after a few washes and wear it belted for a comfortable fit. |
SPEC
| Materials | 100% cotton |
|---|---|
| Country of Origin | JAPAN |
| Model Wearing | Wearing size 32 (178cm/70kg) |
| Care Instructions | ※Please note that the colours may look different from the real thing depending on your monitor environment. |
| Weight | 930g |
Duties and Taxes are on us.
For orders under USD185, the following shipping costs apply:
・US, Europe: USD25 (or equivalent in your currency)
・Asia: USD20 (or equivalent in your currency)
・Other countries: USD25 (or equivalent in your currency)
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