Koisea

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Sustainability Summary

  • Good On You - Not found
  • Ethical Consumer - This information is locked, visit Ethical Consumer's website
  • B Corp - Not found
  • Trustpilot - 3.6/5 (13 reviews)
  • This is an unclaimed profile. Koisea has not joined Sustainability Tracker to verify their sustainability credentials. We gathered what we could from public sources.
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Koisea Sustainability Profile

Koisea is not currently tracking sustainability.

Sustainability Summary

  • Good On You - Not found
  • Ethical Consumer - This information is locked, visit Ethical Consumer's website
  • B Corp - Not found
  • Trustpilot - 3.6/5 (13 reviews)
  • This is an unclaimed profile. Koisea has not joined Sustainability Tracker to verify their sustainability credentials. We gathered what we could from public sources.
Powered by Tracker AI BETA; there may be errors 
Koisea is a fashion brand that focuses on Sukajan, a Japanese souvenir jacket style, plus related T-shirts, hoodies, polos, sweaters, and kids' jackets. The available material does not show a clear sustainability strategy, public ESG report, or formal environmental targets. Most of the brand’s own content talks about design, embroidery craft, quality checks, and shipping. Third-party signals are limited but include a Trustpilot score and a B Corp listing for a different company with a similar name, which does not appear to be Koisea. Overall, there is not enough independent evidence to confirm a strong sustainability position.

Positive Sentiment Found
Public sentiment in the available material is mixed to positive on product experience, but it is not specifically about sustainability. Koisea’s own site says its products have a 4.9 out of 5 rating based on 6,319 verified buyer reviews, which suggests many customers are happy with the items they received. Trustpilot also shows a separate review page for koisea.com with a 3.6 out of 5 score from 13 reviews, which is a modest result rather than a standout one. However, none of these sources independently assess environmental or labour performance, so they do not confirm a strong ESG reputation.

Common Criticisms:
The main negative signal is that there is very little independent evidence about Koisea’s sustainability or ethics. The brand’s own pages talk about craft, quality control, and shipping, but they do not publish a sustainability report, carbon data, labour audit, or certification details in the material provided. That means outside readers cannot verify claims about materials, supply chain standards, or environmental impact. Trustpilot also shows only a small review base of 13 reviews for koisea.com, which is too limited to give a strong picture of customer experience. The other Trustpilot result in the material is for a different domain, so it should not be treated as Koisea feedback.

Koisea Sustainability Actions

Uses in-house craft and checks

Koisea says it makes its garments with original hand-drawn artwork, Yokoburi-inspired embroidery, and a multi-point inspection before items leave the business. It also says global fulfilment is managed in-house with premium carriers. These steps point to a focus on product quality and control over the process, but they are not the same as a published sustainability programme. The material does not show details on materials sourcing, worker standards, or environmental impact.

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Frequently Asked Questions

Has Koisea published a sustainability report?

Confidence: Low. As of July 2026, Koisea has not publicly shown a sustainability report in the material available here. The brand’s own pages focus on craft, product design, and shipping, not on environmental or social reporting. There is also no independent report in the provided sources that sets out emissions, labour standards, or supply chain data. Consumers who want this information may need to ask Koisea directly for a report or policy summary.. Sources: Koisea, Sustainability Tracker - https://koisea.com/?srsltid=AfmBOoo-7cPvjJgXqAQsK1Ss0AGqTXfMqMIToM1FTzJJtoPFQ9Nlaqn3/esg, https://sustainabilitytracker.com/brand/koisea/

What is Koisea's sustainability rating?

Confidence: Low. As of July 2026, Koisea does not have a clear public sustainability rating in the material provided. Good On You, a fashion rating site that scores brands on people, planet, and animals, does not show a Koisea rating here. The only independent score shown is a Trustpilot customer rating of 3.6 out of 5 from 13 reviews, but that measures shopping experience, not sustainability. Consumers should treat the sustainability picture as unverified.. Sources: Good On You, Trustpilot, Sustainability Tracker - https://directory.goodonyou.eco/, https://www.trustpilot.com/review/koisea.com, https://sustainabilitytracker.com/brand/koisea/

What sustainability certifications does Koisea have?

Confidence: Low. As of July 2026, no sustainability certifications for Koisea are shown in the material provided. There is a B Corp page in the sources, but it refers to other companies, not Koisea. That means there is no verified evidence here of certifications such as B Corp, GOTS (a standard for organic textiles), or ISO 14001 (an environmental management standard). Consumers may want to ask Koisea for proof of any certifications it claims.. Sources: B Corp, Sustainability Tracker - https://www.bcorporation.net/en-us/find-a-b-corp/company/picture-organic-clothing/, https://sustainabilitytracker.com/brand/koisea/

What is Koisea's carbon footprint?

Confidence: Low. As of July 2026, Koisea has not publicly disclosed a carbon footprint in the material provided. There are no figures for Scope 1, Scope 2, or Scope 3 emissions, which are the standard ways companies measure direct emissions, energy use, and supply chain emissions. Without that data, it is not possible to judge the brand’s climate impact from the available sources. Consumers can ask Koisea whether it measures and reports emissions.. Sources: Koisea, Sustainability Tracker - https://koisea.com/?srsltid=AfmBOoo-7cPvjJgXqAQsK1Ss0AGqTXfMqMIToM1FTzJJtoPFQ9Nlaqn3/environment, https://sustainabilitytracker.com/brand/koisea/

Is Koisea's packaging sustainable?

Confidence: Low. As of July 2026, Koisea has not publicly explained whether its packaging is sustainable in the material provided. The brand mentions shipping, returns, and delivery carriers, but it does not say whether boxes, mailers, or inserts are recycled, recyclable, or plastic-free. Because of that gap, there is no way to confirm packaging impact from the available sources. Consumers who care about packaging should ask Koisea for details on materials and disposal.. Sources: Koisea, Sustainability Tracker - https://koisea.com/?srsltid=AfmBOoo-7cPvjJgXqAQsK1Ss0AGqTXfMqMIToM1FTzJJtoPFQ9Nlaqn3/responsibility, https://sustainabilitytracker.com/brand/koisea/

Is Koisea ethical in its supply chain and labour practices?

Confidence: Low. As of July 2026, there is not enough public evidence here to judge Koisea’s labour or supply chain practices. The brand says it uses in-house fulfilment and multi-point quality checks, but that does not show how workers are treated or whether suppliers are audited. No independent labour report, factory list, or worker standard is shown in the material. Consumers who want a clearer answer should ask Koisea for its supplier and labour policy.. Sources: Koisea, Sustainability Tracker - https://koisea.com/?srsltid=AfmBOoo-7cPvjJgXqAQsK1Ss0AGqTXfMqMIToM1FTzJJtoPFQ9Nlaqn3/responsibility, https://sustainabilitytracker.com/brand/koisea/

What is Koisea doing about sustainability?

Confidence: Low. As of July 2026, Koisea has not shown a clear public sustainability programme in the material provided. Its own pages focus on original artwork, embroidery craft, and quality control, not on emissions cuts, recycled materials, or social targets. The available sources also do not show a sustainability report or third-party ESG assessment for Koisea. Consumers looking for a stronger sustainability answer may want to request specific policies and targets directly from the brand.. Sources: Koisea, Sustainability Tracker - https://koisea.com/?srsltid=AfmBOoo-7cPvjJgXqAQsK1Ss0AGqTXfMqMIToM1FTzJJtoPFQ9Nlaqn3/impact, https://sustainabilitytracker.com/brand/koisea/

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