Free pants tech pack template
Bottoms use a completely different set of measurements from tops: waist, hip, front and back rise, inseam, thigh, knee and leg opening. This template is set up for chino-style pants with a zip fly, so you can change the fabric and fit instead of starting from zero.
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- 11 points of measure, graded for every size
- 6 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 pants
Rise
Front and back rise decide where the pants sit and how they fit. Say whether the measurement includes the waistband.
Inseam and leg shape
Inseam, thigh, knee and leg opening together define slim, straight or wide legs.
Fly and closure
Zipper type and length, button or hook, and fly width.
Pockets
Front pocket style (slant, on-seam), back pockets (welt or patch), pocket bag fabric and depth.
Wash
Garment wash or rinse and the shrinkage allowed, especially on cotton twill and denim.
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 | Waist | Measure along the top of the waistband, buttoned, laid flat | 41 | 2 |
| B | Hip | Measure across, 18 cm below the top of the waistband | 52 | 2 |
| C | Front rise | Measure from the crotch seam to the top of the waistband | 27 | 0.6 |
| D | Back rise | Measure from the crotch seam to the top of the waistband at the back | 37 | 0.8 |
| E | Inseam | Measure from the crotch seam down to the hem | 81 | – |
| F | Outseam | Measure from the top of the waistband down the side seam to the hem | 107 | 0.6 |
| G | Thigh | Measure across, 2.5 cm below the crotch | 31 | 1.2 |
| H | Knee | Measure across, 33 cm below the crotch | 21 | 0.6 |
| I | Leg opening | Measure across the hem, laid flat | 18 | 0.5 |
| J | Waistband height | Measure the waistband from seam to top edge | 4 | – |
| K | Fly length | Measure the finished fly from the waistband seam | 18 | 0.3 |
Bill of materials in this template
| Type | Material | Placement | Composition |
|---|---|---|---|
| Main fabric | Stretch cotton twill · 280 GSM | Body | 98% Cotton, 2% Elastane |
| Lining | Pocketing · 110 GSM | Front pocket bags | 65% Polyester, 35% Cotton |
| Interlining | Fusible woven interlining · 60 GSM | Waistband, fly | 100% Polyester |
| Zipper | Metal zipper #4.5, brass | Fly | Brass teeth, polyester tape |
| Button | Shank button 17 mm | Waistband | Brass |
| Thread | Polyester thread 40/2 | All seams | 100% Polyester |
Common mistakes
- Using top measurements (chest, sleeve) for pants.
- Not saying where the hip is measured, so every sample measures it somewhere else.
- Pocket bag depth left out, so phones fall out of the pocket.
Questions
- Which measurements does a pants tech pack need?
- At least waist, hip, front rise, back rise, inseam, outseam, thigh, knee, leg opening, waistband height and fly length.
- Can I use it for jeans?
- Yes. Change the main fabric to denim, add rivets and a back yoke, and set the wash.
Make your pants tech pack now.
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