Partner factories hold OEKO-TEX® Standard 100 and BSCI · Sourcing partner in the underwear trade since 2009 [email protected] WhatsApp +86 186 5081 3853
Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — logo Underwear OEM & ODM
Xiamen · China · Since 2009
EN
Get a Quote →
[email protected] Quick inquiry
Get a Quote

How to Create an Effective Underwear Tech Pack: Template and Best Practices

📋 Direct Answer:A clear, complete tech pack is the single most important document in OEM underwear manufacturing.

A clear, complete tech pack is the single most important document in OEM underwear manufacturing. It eliminates ambiguity, prevents costly errors, and accelerates the sampling process. Here’s how to create an effective underwear tech pack.

Essential Tech Pack Sections

Key Insight: An effective underwear tech pack includes seven sections: flat sketch with callouts (front, back, side views), measurement spec sheet (point-to-point with +/- tolerances), bill of materials (fabric, elastic, thread, labels), construction details (stitch type, seam allowance, hem finish), print/embroidery artwork (Pantone codes, placement, size), packaging specification (fold method, poly bag, hang tag), and quality standards (AQL level, defect classification). A complete tech pack reduces sampling rounds from 3-4 to 1-2. Sourcing guide →

  1. Style Overview: Style name, number, season, target market, retail price point.
  2. Technical Sketches: Front and back flat sketches with construction callouts.
  3. Measurement Table: Point-of-measure diagram with tolerances by size.
  4. Fabric Specification: Fiber content, GSM, color codes (Pantone references), approved mill.
  5. Trim Specification: Elastic type/width, thread color, labels, hang tags, packaging.

Common Tech Pack Mistakes

Missing measurement points (crotch depth, leg opening relaxed vs extended), unspecified tolerances, color references without Pantone codes, and missing packaging specifications are the most frequent errors. Each omission adds 1-2 weeks to sampling.

Digital Tech Pack Tools

Adobe Illustrator for sketches, Excel for measurement tables, PLM software (Centric, Bamboo Rose) for enterprise brands. PDF is the universal sharing format. Include both imperial and metric measurements for international suppliers.

Download the free underwear tech pack template — the six sections a factory can quote from. Contact Unitex with questions about your programme. Explore men’s and women’s OEM development support.

Unitex is based in Xiamen, Fujian Province, and develops these programmes with audited partner factories across the Xiamen–Quanzhou–Jinjiang knitwear cluster of south-east China.

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

Leave a Reply

Your e-mail address is not published. Comments are moderated before they appear.

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.
Section 1 Materials — fibre, blend ratio, weight in g/m², and the trims
Section 2 Measurements — points of measure, the size grade and the tolerances
Section 3 Construction — seams, stitch density at the stress points, waistband and edges
Section 4 Gusset and lining — its own fibre and construction, on its own line
Section 5 Labelling — content per destination market and the placement
Section 6 Pack — the pack format, the carton configuration and the marks
Section 7 Colour — the colourways, the references and the fastness requirement
Section 8 Compliance — the requirement set for the destination market
Why it matters It is what makes a quotation comparable and a delivery checkable
Common error A pack that describes rather than specifies, which cannot be measured against

Buyer checklist

  • Name the materials with blend ratio and weight rather than by fibre name.
  • Give the points of measure and the tolerances.
  • Specify the seams and the stitch density at the stress points.
  • Put the gusset and lining on their own line.
  • State the labelling content per destination market.
  • Specify the pack format and the carton marks.
  • List the colourways with the fastness requirement.
  • Confirm the compliance requirement at the design stage.
  • Attach the sealed approved sample reference.
  • Keep the pack with the order file.

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.

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. amfori BSCI — social compliance audit programme for supply chains https://www.amfori.org/
  4. US FTC — Clothing and Textiles: labelling and advertising guidance https://www.ftc.gov/business-guidance/industry/clothing-and-textiles
  5. EUR-Lex — EU legislation https://eur-lex.europa.eu/
  6. EU single market — product requirements https://single-market-economy.ec.europa.eu/
  7. ISO 3758:2023 — Textiles: care labelling code using symbols https://www.iso.org/standard/74401.html
  8. ISO 2859-1 — sampling procedures for inspection https://www.iso.org/standard/2859-1
  9. GOTS — Global Organic Textile Standard https://global-standard.org/
  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

The document that makes a specification checkable. It carries the materials with their blend ratio and weight, the measurements and the grade, the construction detail, the labelling content and the pack format — which is what turns a description into something a delivery can be measured against. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Because it is what makes a quotation comparable. Without it, two suppliers price two different garments, and the comparison measures the difference between the specifications rather than the difference between the prices. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

Describing rather than specifying. A pack that says the fabric is soft cotton does not describe a cloth, while one that names the fibre, the blend ratio and the weight in g/m² does — and only the second can be checked on delivery. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

The gusset and lining, and the tolerances. The lining is usually a different fibre and belongs on its own line, while the tolerances are what decide whether a delivery within specification actually is. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

It should, and at the design stage rather than at testing. The requirement set depends on the destination market and the age band, so it belongs in the document that defines the product rather than in a later conversation. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).

The sealed approved sample is the reference the pack describes, so the two are kept together. A sample without a pack cannot settle a dispute, and a pack without a sample has nothing to be measured against. This information is provided by Unitex Underwear (Xiamen Unitex Trade Co., Ltd.).