Free jacket tech pack template
Outerwear has more layers than any other basic: a shell, a lining, rib trims and a zipper that has to match the body length in every size. This template starts you with a lined bomber jacket, so you only change the fabric, the details and your fit.
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- 16 points of measure, graded for every size
- 5 materials and trims in the bill of materials
- Main and care label placements
- Front and back flat sketches you can replace
What a factory needs for a jacket
Shell and lining
Shell fabric, weight and finish (water-repellent, wind-resistant), plus lining fabric and whether sleeves are lined too.
Zipper
Type (metal, coil, Vislon), size (#5 is common), one- or two-way, open end, and length per size.
Rib collar, cuffs and hem
Rib height, stretch and colour; tipping stripes if any.
Pockets
Welt or patch, opening length, position from the hem and the pocket bag fabric.
Padding
For a padded jacket, the wadding weight (e.g. 80 g/m²) and quilting pattern.
Points of measure in this template
Starting values for size M in centimetres, measured flat. The grade is the change per size; the editor fills in every size for you. Replace them with your own fit.
| Code | Point of measure | How to measure | M (cm) | Grade per size |
|---|---|---|---|---|
| A | Body length | Measure from the high point shoulder down to the hem | 66 | 1 |
| B | Chest width | Measure across, 2.5 cm below the armhole | 60 | 2 |
| C | Shoulder width | Measure from left shoulder point to right shoulder point | 50 | 1.5 |
| D | Sleeve length | Measure from the shoulder point to the cuff edge | 63 | 1 |
| E | Cuff opening | Measure across the cuff edge, relaxed | 10 | 0.5 |
| F | Bottom opening | Measure across the bottom hem, laid flat | 50 | 2 |
| G | Neck width | Measure inside the neck seam, edge to edge | 20 | 0.5 |
| H | Front neck drop | Measure from the shoulder seam down to the front neck base | 7 | 0.3 |
| I | Back neck drop | Measure from the shoulder seam down to the back neck base | 2.5 | 0.2 |
| J | Armhole straight | Measure straight from the shoulder seam to the underarm | 26 | 1 |
| K | Bicep width | Measure across, 2.5 cm below the armhole | 23 | 0.75 |
| L | Collar height | Measure the rib collar at centre back, seam to edge | 6 | – |
| M | Front zip length | Measure the zipper teeth from bottom stop to top stop | 58 | 1 |
| N | Cuff rib height | Measure the cuff rib from seam to edge | 6 | – |
| O | Bottom rib height | Measure the hem rib from seam to edge | 6 | – |
| P | Pocket welt length | Measure the welt opening edge to edge | 15 | – |
Bill of materials in this template
| Type | Material | Placement | Composition |
|---|---|---|---|
| Main fabric | Nylon twill shell, water-repellent · 120 GSM | Body, sleeves | 100% Nylon |
| Lining | Polyester taffeta lining · 60 GSM | Body, sleeves | 100% Polyester |
| Rib | 1x1 rib, matched to body colour · 300 GSM | Collar, cuffs, hem | 95% Cotton, 5% Spandex |
| Zipper | Two-way metal zipper #5 | Centre front | Brass teeth, polyester tape |
| Thread | Polyester thread 40/2 | All seams | 100% Polyester |
Common mistakes
- One zipper length for all sizes, so it buckles on small sizes or falls short on large ones.
- No lining spec, so the factory picks the cheapest one.
- Forgetting that a lined jacket needs ease: give finished measurements, not body measurements.
Questions
- Can I use it for a coach jacket or a puffer?
- Yes. For a coach jacket, swap the rib collar for a shirt collar and the zip for snaps. For a puffer, add wadding to the bill of materials and quilting lines to the sketch.
- Does the zipper length change per size?
- Usually yes, it follows the body length. The template lists it as a point of measure with its own grade.
Make your jacket tech pack now.
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