Everything the scan holds on this record, grouped by subject. Blue bars show how much information is held; they are not positive or negative scores. Fields with nothing behind them are counted, not listed.
Features
3 of 5
Feature 1
Most Momotaro Jeans lines are woven from 100% Zimbabwe cotton selvedge denim, produced on old-fashioned shuttle looms with an indigo-dyed warp and a white weft. The brand's dedicated Natural Indigo line is hand-dyed with natural indigo, while exclusive lines from Momotaro Jeans blend the cotton with silk or cashmere.
Feature 2
Every pair of Momotaro Jeans is made in Kojima, Kurashiki City in Okayama Prefecture, the birthplace of Japanese domestic jeans, across dedicated artisan stages of spinning, dyeing, weaving, finishing and sewing. The indigo warp yarns for Momotaro denim are rope-dyed at Kaihara, a Hiroshima dyeing company with over 130 years of history, using a special dye developed in collaboration with the brand.
Feature 3
Momotaro Jeans carries no certification claims, with no GOTS, OEKO-TEX, B Corp or organic certification found on its site. The brand positions its cotton jeans as crafted to last a lifetime and offers free repairs of stitching, buttons, fasteners, rivets and standard hemming for customers holding the original Certificate of Guarantee.
Materials and composition
15 of 29
H3 Q8: Materials (adapts to brand: 100% cotton? / where is the linen from? / hemp?)
Is Momotaro Jeans 100% cotton?
Plant fibre %
85.6
Fibre Breakdown
(100.0%) 100% plant; Plant 100% (40 of 40 styles read)
Fibre Breakdown (table)
FibreStyles%Measure100% plant (organic/regenerative cotton, linen, hemp)14885.1%Naturalplant + semi-synthetic blend63.4%Semi-synthetic100% semi-synthetic31.7%Semi-synthetic100% synthetic10.6%Synthetic100% animal42.3%Animalanimal blend126.9%Animal
Other materials: origin
Natural indigo for rope-dyed yarn
Products with a fibre list
18
Products with no fibre list
26
Incomplete composition explanation
No incomplete percentage compositions were recorded.
Plant fibre percent
84.9
Key facts plant materials
Cotton, Linen
Key facts animal materials
Cashmere, Silk, Wool, Leather, Mohair
Key facts chemical materials
Rayon
Key facts organic materials
Not specified
Key facts synthetic materials
Polyester, Nylon
Materials used
Cotton, Silk, Cashmere, Wool
Scan result
15 of 55
Scan note (above product table)
Provisional direct saved-SKU scan: 168 of 172 in-scope rows classified (97.7% coverage), 4 unresolved. Possible fully plant-SKU range 84.9-87.2% remains in score band 3/5. The saved export retains 174 row-level source URLs; this is not full-catalogue verified.
Score (1-5)
1
Score label
Low verified plant evidence
Total styles scanned
174
Last scanned
2026-08-04
Supply-chain summary
Momotaro Jeans (Japan Blue / Collect Co.) states its denim uses long-staple Zimbabwean cotton, with 2025 models blending Zimbabwe and Australian cotton. Momotaro Jeans weaves its selvedge denim on vintage shuttle looms, rope-dyes yarn with indigo, and sews in-house in Kojima, Okayama, Japan through its parent group's Collect Mills. Momotaro Jeans discloses the cotton origin country and its Kojima production base but names no specific cotton farm and holds no published social-compliance certification or formal supplier list. Momotaro Jeans offers strong fibre-to-garment traceability within Japan while relying on artisanal reputation rather than audited certifications.
Sourcing transparency score (1-5)
4
Full catalogue scan?
no
Publication status
direct_csv_provisional
Method version
Throne Standard direct CSV recalculation 2026.09
Worst-case complete result (%)
84.9
Best-case complete result (%)
87.2
Sustainability score
1
Key findings
Materials: Cotton, Silk, Cashmere, Wool
Made in: Momotaro Jeans garments are made in Kojima, Okayama, Japan, the region regarded as the birthplace of Japanese domestic denim
Certifications: Momotaro Jeans holds no publicly documented third-party textile certifications
Score status
verified
Health and safety
1 of 3
H3 Q6: Is [Brand] non-toxic / PFAS-free?
Is Momotaro Jeans non-toxic and safe for skin?
Certification
6 of 9
H3 Q7: Is [Brand] GOTS / certified?
Is Momotaro Jeans certified?
OEKO-TEX® Standard 100
Momotaro Jeans does not hold OEKO-TEX certification.
Other Certifications
Momotaro Jeans clothing brand does not have any other sustainability certifications.
Cotton: type / certification
Conventional long-staple, hand-picked (not organic)
Factory certifications
Not disclosed (no published social-compliance certification; artisanal in-house production)
Key facts certifications
Momotaro Jeans holds no publicly documented third-party textile certifications. No verifiable evidence was found that Momotaro Jeans (or parent Japan Blue) holds GOTS, OEKO-TEX, Fair Trade, B Corp, or European Flax certification;
Sourcing and supply chain
15 of 62
Overall: where this info comes from
Traceability level
Cotton: country of origin
Wool: origin + farm + mulesing status
Polyester: virgin or recycled + source
Ownership and legal entity
1 of 17
Owner
Masataka Suzuki is the owner of Momotaro Jeans.
Identity
19 of 28
Brand name
Momotaro Jeans
H3 Q1: Is [Brand] sustainable / ethical?
Is Momotaro Jeans sustainable and ethical?
Answer 1
These are corroborated across the brand's own sites, Wikiped
H3 Q2: Where is [Brand] made?
Where is Momotaro Jeans made?
Answer 2
Momotaro Jeans garments are made in Kojima, Okayama, Japan, the region regarded as the birthplace of Japanese domestic denim. The jeans are handmade there by Japanese craftsmen using vintage/antique shuttle looms at the group's own Kojima denim mill, in-house rope indigo dyeing, and more than 30 production processes, with each pair washed on the Okayama coast. No offshore/overseas garment manufacturing is documented; the raw cotton fiber, however, is sourced as Zimbabwean cotton (the finished product is Made in Japan).
H3 Q3: Who owns [Brand]?
Who owns Momotaro Jeans?
Answer 3
Momotaro Jeans was founded by Hisao Manabe, an indigo-dyeing and weaving specialist who had earlier established the parent textile company Collect (Collect Mills / Japan Blue) in 1992, and it was launched in Kojima, Okayama, Japan (sources give the founding year as 2005 per denimlabo.com and 2006 per the brand's own history page and Japanalogue). Momotaro Jeans is not independent: its parent company is Japan Blue (the Japan Blue Group, which also includes Japan Blue Jeans, Collect fabric mill and Negative Denim). On 31 January 2022 the Japan Blue Group was acquired by Japanese private equity firm Karita & Company, which holds an 85% stake, while the founding Manabe family (including Hisao Manabe) retains 15%; the brand is still run day-to-day by the father-and-son team of Hisao and Katsu Manabe.
H3 Q4: Is [Brand] legit / worth it?
Is Momotaro Jeans legit and worth it?
Answer 4
Momotaro Jeans is a real, currently-trading legitimate business as of 2026. It operates an active official online store and multiple physical stores in Japan (including Aoyama, Kōenji, Kojima Ajino, Osaka, Okayama and Kyoto), sells through numerous established denim retailers worldwide, and released a limited 2026 "Year of the Horse" (ETO) collection, confirming ongoing trading.
H3 Q5: Is [Brand] fast fashion?
Is Momotaro Jeans fast fashion?
Answer 5
Momotaro Jeans is a slow, small-batch artisanal denim brand, not fast fashion. It is a premium heritage/selvedge label producing hand-finished jeans in limited quantities using vintage shuttle looms, in-house indigo rope dyeing, and 30+ manual processes, and it backs its jeans with a lifetime warranty. Its production model (low-speed looms, artisan sewing, high price point, limited seasonal releases) is the opposite of high-volume fast fashion.
Answer 6
Certifications: Momotaro Jeans holds no publicly documented third-party textile certifications. No verifiable evidence was found that Momotaro Jeans (or parent Japan Blue) holds GOTS, OEKO-TEX, Fair Trade, B Corp, or European Flax certification; none is claimed on the brand's official websites or by its main retailers. Some retailers describe certain fabrics as using "organic" Zimbabwe cotton, but this is a material description, not a certification held by the brand, and could not be tied to a named certifying body. Certifications: Not publicly documented..
Answer 7
Momotaro Jeans holds the following certifications: Momotaro Jeans holds no publicly documented third-party textile certifications. Beyond any paper certification, our scan of 174 Momotaro Jeans styles found 85.1% is 100% plant fibre, which is the measurable material fact behind Momotaro Jeans's claims.
Methodology note (page footer)
How we scan. Every figure on this page comes from the Throne Standard scan: we read the fibre composition off each live product on the brand's own site, style by style, and count only single-fibre plant cloth (cotton, linen, hemp) as natural. Animal fibres such as wool, silk and cashmere and plastic-based synthetics such as polyester, nylon and elastane sit outside the plant-fibre figure, and regenerated fibres such as viscose, bamboo, modal and Tencel are counted as semi-synthetic. Percentages are calculated over the styles that state a composition; anything unlabelled is shown separately.
Answer 8
So many Momotaro Jeans basics are pure cotton, but Momotaro Jeans's fitted and active styles typically add a small share of synthetic.
Contact Email
momotaro-jeans@lingble.com
Cotton: named farm / region / co-op
Not disclosed (country-level only; no named farm/co-op)
Dye house: name + country
In-house rope dyeing with indigo (Japan Blue / Collect group), Kojima
Brand site readable
yes
Recycled and circular
1 of 2
Energy, water and land
1 of 2
Claims and evidence
4 of 17
Verified by
HTT research (brand policy pages)
Verification status
What this means
Why excluded
Place and access
1 of 1
Location
Momotaro Jeans are located in Japan.
Delivery and shipping
3 of 3
Shipping
Free express worldwide shipping is offered on all Momotaro Jeans orders over USD 150.
Shipping International
Momotaro Jeans ships its denim worldwide on a Delivery Duty Paid basis, so customs duties are included in the product price, though some addresses may still incur additional taxes.
Shipping Notes
Orders of Momotaro Jeans are dispatched within 2 to 3 business days using couriers such as EMS, FedEx and DHL, with delivery normally taking 2 to 3 days to East Asia and North America and 4 to 7 days elsewhere. A restricted-country list excludes places such as Cuba, Iran, Russia, Belarus, North Korea, Syria and Zimbabwe, and Momotaro Jeans does not deliver to PO boxes or military addresses.
Price and commerce
2 of 8
Price tier
$$$$
SKU count
174
Further detail
20 of 67
Excerpt
Is Momotaro Jeans a sustainable clothing brand? See the real fibre breakdown, plant, animal or synthetic, before you buy.
Country
Japan
POC
Momotaro Jeans is a brand of Japan Blue Co., Ltd., a Japanese company founded in 2006 in Kojima, Okayama, with Masataka Suzuki stated as CEO.
LGBT
Momotaro Jeans was founded in 2006 by Hisao Manabe.
Woman Owned
Momotaro Jeans clothing brand is not a woman owned clothing brand.
GOTS
Momotaro Jeans does not hold GOTS certification.
1% for the planet
Momotaro Jeans clothing brand is not a member of 1% for the Planet.
Vegan
Momotaro Jeans clothing brand is not a vegan clothing brand.
Report Post
61220
Clean & Safe: last checked
2026-07-29
Supplier disclosure
Partial
Products found
44
Last checked
2026-09-26
Products in catalogue
44
Products read
44
Catalogue read %
100
How it was read
Throne identifies the eligible textile products in Momotaro Jeans's catalogue, inspects each product for published material evidence and requires at least 20 scoreable textile SKUs before publishing a brand score. The score uses only products with enough published material information to classify. Brand non-disclosure and technical read failures are reported separately. Non-textile products are excluded rather than counted as a pass or a fail.
Coverage method pre dash fix
Every product listed in the brand's live catalogue is retrieved and its stated fibre composition read individually - from the product page, the store's own product data and its material labels. A fibre percentage is published only when 100% of the catalogue has been read. Items with no clothing textile (gift cards, packaging, jewellery, homeware) are excluded from the percentage rather than counted as a pass or a fail.
