Development guide
Tech Pack Guide for Fashion Brands: From Sketch to Production Brief
Published 8 November 2026 · DISTRICT 88 Team
A tech pack is not paperwork — it is the contract between your design intent and someone else's cutting table. Every missing line in the pack becomes a question during sampling, and every question is a day on the calendar. Here is what a production-ready pack contains, and where to be strict.
The non-negotiable pages
Whatever the format (Excel, PDF, PLM export), the pack must answer:
- —Technical flats — front, back, details, with callouts that name every construction point.
- —Measurement chart — points of measure, tolerances, and the size grid (graded or to be graded).
- —Bill of materials — main fabrics with composition and weight (GSM), linings, trims with suppliers or references, thread colors, labels and packaging.
- —Construction notes — stitch types, seam allowances, finishes (wash, pigment, bonding), pressing standards.
- —Artwork and placement — prints, embroideries, heat transfers, with dimensions and Pantone references.
- —QC expectations — inspection level (e.g. AQL 2.5), critical measurements, testing requirements.
Where tech packs fail
Three recurring gaps: tolerances missing (so "acceptable" is negotiable mid-production), fabric weight unstated (GSM is the difference between two products that look identical), and artwork supplied as screenshots instead of vector files with dimensions. Each one converts into a sampling loop — and a sampling loop is 7–14 days.
The pack is a starting point, not a monument
Development is iterative by nature: the first proto reveals real fabric behavior; the fit sample reveals real bodies. The discipline is change control — every approved change is logged (what changed, who approved, when) and flows into the pre-production sample, which is the final gate before bulk cutting. A PPS approved against a documented change log is what makes the 30–45 day bulk window predictable.
No tech pack? Define the brief instead
Brands without a pack can still develop properly: send a reference garment (or 3D files, or sketches with dimensions), target fabric and weight, size curve and destination market. A development partner engineers the spec from there — you approve measurements, materials and color on each iteration until the PPS. What you must not outsource is the approval: spec drift starts when nobody signs off.
Frequently asked
What file format should a tech pack be?
Whatever your team maintains consistently — PDF for handoff, Excel for measurement grids and BOM, vector files (AI/PDF) for artwork. Consistency and versioning matter more than the format.
Do I need a tech pack to get a quote?
For a quotable brief you need at minimum: garment type with construction notes, fabric spec with weight, trims list, quantities per colorway, destination market and Incoterm. A full pack sharpens the quote; without it, expect a range.
Who owns the tech pack after development?
Negotiate it. Brands typically own the specification they paid to develop; suppliers keep their internal files. Clarify ownership of graded files and developed fabric references in writing before the program starts.
Send a sketch or a reference garment — we will build the spec with you and quote the developed program.
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