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Compliance & Certification

Which Tests to Request for an Underwear Order (2026)

Quick answer. The test list follows the use, the market and the age band rather than a standard template. Chemical testing, colour fastness, physical performance and — for children’s articles — the age-band requirements each answer a different question, and the scope has to cover print, dye and trims rather than the base fabric alone.

1. The four groups

  • Chemical. Restricted substances, measured against the limits that apply to the article and its use.
  • Colour fastness. Wash, rubbing, perspiration and light, since a garment can pass one and fail another.
  • Physical performance. Dimensional stability after washing, pilling and abrasion, and the recovery of the elastic components.
  • Children’s requirements. Where the article is for children, the age-band set applies, including fitments and any flammability requirement.

2. What decides which tests apply

  • The use. A garment in direct skin contact all day carries a different requirement from one used occasionally.
  • The market. The destination decides which requirement set applies, and the sets differ.
  • The age band. Requirements tighten as the band drops, so the band is stated per style.
  • The construction. Print, dye and every trim are part of the tested article, so each is listed rather than assumed covered.
  • The claim. Any performance property stated needs a test behind it, and the test method is named alongside the claim.

3. When the tests happen

  • At the material stage. Before the fabric is cut, so a failure does not become a finished-goods problem.
  • On the finished article. Where the requirement is about the garment — fitments, and fastness on the made-up item.
  • On the production run. Where a test result is used to support a claim about the goods shipped.
  • Again when something changes. A new material, a new trim or a new site is a new verification rather than an extension of a previous result.

4. Reading a test report

  • The article tested. Which material or article, since a conforming result on one does not describe another.
  • The method. Named per test, since the same property measured by different methods gives different figures.
  • The result against the limit. A figure alone is not a pass; the limit it is compared against is what makes it one.
  • The date and the laboratory. Both belong in the record, since the result describes a point in time.
  • The scope. Whether print, dye and trims were covered or only the base fabric.

5. What to hold on file

  • The test list itself. Which tests were requested and why, so the next order can be compared on the same basis.
  • The reports. With the method and the limit stated.
  • The date and the laboratory. Since a report describes a material at a point in time.
  • The article scope. What was actually tested, including any trims.

6. Common errors

  • Using a template list. The tests follow the use, the market and the band rather than a fixed set.
  • Testing the base fabric only. Print, dye and trims are part of the article, so a report on the fabric alone covers less than the garment.
  • Reading a figure without a limit. A result is only a pass or a fail against a stated limit.
  • Testing the material and assuming the garment. Fastness and fitments are properties of the made-up article.
  • Making a claim without a method. A property stated without the test behind it cannot be compared or defended.
  • Carrying a result onto a new order. A new material, trim or site is a new verification.

7. How to compare two suppliers

  • The same test list. Otherwise the two sets of results are not comparable.
  • The same methods named. Since a property measured by different methods gives different figures.
  • The same article scope. Base fabric, print and trims on both sides.
  • The same timing. At the material stage rather than after the goods are made.
  • The same claim discipline. Every performance property tied to a named test on both sides.

· Xiamen Unitex Trade Co., Ltd. — OEM & ODM underwear sourcing partner

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.
Supplier Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — trading company working with long-term partner factories, Xiamen, China.
Group 1 Chemical — restricted substances against the limits for the article and use
Group 2 Colour fastness — wash · rubbing · perspiration · light
Group 3 Physical — dimensional stability · pilling and abrasion · elastic recovery
Group 4 Children's requirements — the age-band set, including fitments and any flammability requirement
Decided by Use · market · age band · construction · any performance claim
Test scope Print, dye and every trim, not the base fabric alone
When — material stage Before cutting, so a failure does not become finished goods
When — finished article Where the requirement concerns the made-up item, such as fitments
Report item 1 The article or material tested
Report item 2 The method, named per test
Report item 3 The result against the limit
Report item 4 The date and the laboratory
Re-test when A new material, trim or producing site

Buyer checklist

  • Decide the test list from the use, the market and the age band rather than a template.
  • Confirm the chemical limits that apply to the article and its use.
  • Set the fastness requirement per mode rather than as a single figure.
  • List print, dye and every trim in the scope.
  • Test at the material stage rather than after the goods are made.
  • Confirm the requirements for the youngest band in the range rather than inheriting a class.
  • Ask for the method and the limit alongside each result.
  • Check whether the report covers the article as made.
  • Tie every performance claim to a named test.
  • Re-test when a material, trim or site changes.

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.)

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.

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Sources & references

  1. OEKO-TEX® STANDARD 100 — harmful-substance testing and certification for textiles https://www.oeko-tex.com/en/our-standards/oeko-tex-standard-100
  2. OEKO-TEX® Label Check — verify a certificate number at the issuing body https://www.oeko-tex.com/en/label-check/
  3. ISO 3758:2023 — Textiles: care labelling code using symbols https://www.iso.org/standard/74401.html
  4. ISO 2859-1 — sampling procedures for inspection by attributes https://www.iso.org/standard/73563.html
  5. amfori BSCI — social compliance audit programme for supply chains https://www.amfori.org/
  6. US Consumer Product Safety Commission — children's product requirements https://www.cpsc.gov/Business--Manufacturing/Business-Education/Business-Guidance/Childrens-Products
  7. US FTC — Clothing and Textiles: labelling and advertising guidance https://www.ftc.gov/business-guidance/industry/clothing-and-textiles
  8. EUR-Lex — EU legislation https://eur-lex.europa.eu/
  9. EU single market — product requirements https://single-market-economy.ec.europa.eu/
  10. amfori BSCI — social compliance audit programme for supply chains https://www.amfori.org/amfori-bsci

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.

Buyer Questions

MOQ, lead times, certification and trading terms

It follows the use, the market and the age band. The four groups are chemical testing, colour fastness, physical performance, and the children's requirements where they apply — and the scope covers print, dye and trims rather than the base fabric alone. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Because the requirements depend on where the garment is sold, how it is used and who wears it. A fixed list either over-tests at one end or leaves a gap at the other, and the gap is the part that matters. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

At the material stage wherever possible, so a failure is caught before the fabric is cut rather than after it is a finished-goods problem. Some requirements — fitments, for instance — concern the made-up article rather than the material. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

The article or material tested, the method used, the result against the applicable limit, and the date and laboratory. A figure on its own is not a pass, since the limit it is compared against is what makes it one. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

They are part of the tested article, so a report on the base fabric alone covers less than the garment. That is why the print, the dye and each trim are listed rather than assumed to be covered. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

When the material, a trim or the producing site changes, and against the validity of the previous result otherwise. A conforming result on one material or site does not describe another, so re-testing is a new verification rather than a formality. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).