What Is a Fashion Tech Pack? A Complete Guide for Clothing Brands

A fashion tech pack — short for "technical package" — is a complete specification document that tells a garment factory exactly how to manufacture a clothing item. It is the single most important document exchanged between a fashion brand and its production partner. If a factory does not receive a proper tech pack, they will make assumptions. Those assumptions lead to samples that look nothing like your design, wasted money, and missed deadlines. WHAT DOES A FASHION TECH PACK CONTAIN? A complete tech pack includes the following sections: 1. Cover Page — Style name, season, colorway, and designer contact information. 2. Technical Flat Sketch — A front and back technical drawing of the garment with callouts pointing to every design detail. 3. Bill of Materials (BOM) — Every material used: fabric, trim, labels, buttons, zippers, thread color, and interlining, each with supplier references and color codes. 4. Construction Details — Stitching type (e.g., 3-thread overlock, flat-felled seam), seam allowance, topstitch width, and any special finishing instructions. 5. Measurement Spec Sheet — A graded size chart showing every key measurement (chest, waist, hip, sleeve length, inseam, etc.) for every size in the run. 6. Colorway & Artwork Placement — Pantone color references, print placement dimensions, embroidery coordinates, and screen print specifications. 7. Label & Packaging Instructions — Care label content, hang tag placement, polybag fold, and carton packing ratio. 8. Revision History — A log of every change made to the document with dates, so factories always know which version is current. WHY DO FASHION BRANDS NEED A TECH PACK? A tech pack removes ambiguity from the production process. Without it: - Factories cannot quote accurately, so you receive wildly different prices. - Samples come back wrong, costing you weeks in revision rounds. - Quality inconsistencies appear between production runs. - Intellectual property is harder to protect since your design is never formally documented. With a professional tech pack: - Factories quote from the same information, so prices are comparable. - First samples are closer to specification, reducing rounds. - Quality control teams have a benchmark to measure against. - Your design is documented and timestamped. WHO NEEDS A TECH PACK? Any person or brand that is manufacturing clothing needs a tech pack: - Independent designers placing their first production order - Established fashion brands managing seasonal collections - Private label brands sourcing from overseas factories - Sportswear and activewear brands requiring precise technical specs - Manufacturers building a spec library for their own customers HOW LONG DOES IT TAKE TO CREATE A TECH PACK? A detailed tech pack for a single style typically takes 4–8 hours to create manually in tools like Adobe Illustrator or Excel. Using dedicated tech pack software like ThreadPack, the same document can be completed in 60–90 minutes because measurement tables, BOM templates, and export formatting are built in. WHAT FORMAT SHOULD A TECH PACK BE IN? Tech packs are almost always delivered as PDF files. PDF is the universal format because it preserves fonts, colours, and layout across every device. The PDF should be version-numbered (e.g., v1.0, v1.1) so factories always know they are working from the latest iteration. FREQUENTLY ASKED QUESTIONS Q: Is a tech pack the same as a spec sheet? A: No. A spec sheet typically refers only to the measurement specifications. A tech pack is the full document that includes the spec sheet plus construction details, BOM, artwork placement, and packaging instructions. Q: Can I create a tech pack in Excel? A: You can, but Excel is not ideal for technical flat sketches, colour management, or professional PDF export. Purpose-built tools like ThreadPack produce cleaner, more factory-friendly output. Q: Do I need a tech pack for a small order of 50–100 units? A: Yes. Small orders still require clear specifications. Factories that produce small runs often have less tolerance for back-and-forth clarification, so a clear tech pack saves time on both sides. Q: How much does it cost to hire someone to write a tech pack? A: Freelance technical designers charge $50–$200 per style depending on complexity. A tech pack platform like ThreadPack lets you create unlimited tech packs yourself at a fraction of that cost. ThreadPack is a collaborative tech pack creation platform built specifically for fashion brands, designers, and manufacturers. Create your first tech pack for free at threadpack.com.