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A well-structured tech pack is the foundation for accurately producing knitwear that meets design intent and production standards

Knitwear’s inherent flexibility, elasticity, and texture require more nuanced specifications than traditional woven materials

This document serves as the single source of truth for everyone involved—from creative directors to Women's sweater factory workers—guaranteeing consistency in execution

The purpose and target market directly shape material selection, stitch complexity, and construction techniques

This determination will guide choices in fiber blends, stitch profiles, and assembly methods

Ensure your drawings include front, back, and side views with labeled construction elements

Each sketch should meticulously show stitch lines, edge treatments, and any ornamental knitting techniques

Accurately detail the yarn blend: fiber content, count, grams per skein, and ply structure

Example: 65% cashmere, 35% silk, 180g per hank, 2-ply

Whenever possible, name the yarn brand and approved supplier

Knitwear performance hinges on yarn behavior—even minor shifts in fiber type or ply can dramatically impact drape, stretch, and hand feel

Specify the knitting machine type and its gauge—5-gauge yields a loose, open knit, while 12-gauge creates a tight, dense fabric

Note the number of needles per inch and whether it’s a single or double bed machine

Detail the placement of each stitch pattern with dimensional markers

Flat measurements are absolute—provide a detailed chart with critical dimensions: chest width, shoulder width, sleeve length, body length, and more

Note the state of tension during measurement to avoid misinterpretation during sampling

Tolerance thresholds must be explicitly stated per dimension to avoid costly deviations

In knitwear, even a 0.5 cm difference can significantly alter fit, comfort, and perception of quality

Detail the seam construction method: flat-felled, overlock, chain stitch, or hand-sewn finish

Define seam finishes with intent: "Flatlock for minimal bulk," "Coverstitch for clean edge," "Hand-sewn for luxury detail"

Specify all final edge treatments that impact appearance and function

Always indicate label positioning, orientation, and attachment method

Include packaging details: "Pack in anti-static polybags," "Insert acid-free tissue," "Use reinforced hangers"

Define pass

Reference relevant industry standards like ASTM, ISO, or AATCC where applicable

A robust tech pack eliminates ambiguity, prevents misinterpretation, and minimizes costly production errors

Invest time reviewing your tech pack with a sample maker, pattern engineer, or production specialist before factory submission

A single review session now can eliminate dozens of revisions down the line

Knitwear looks simple, but one missed detail can ruin the entire run