
Introduction
A custom clothing project can begin with something as simple as a sketch or reference image.
However, a sketch alone is rarely enough for accurate bulk production.
Manufacturers need detailed information about measurements, materials, construction, colors, branding, and finishing.
This is where an apparel tech pack becomes important.
What Is a Tech Pack?
An apparel tech pack is a technical document that communicates how a garment should be produced.
It can function as a common reference between the customer and manufacturer.
Depending on the project, a tech pack may contain:
- Technical drawings
- Measurements
- Fabric specifications
- Color information
- Construction details
- Stitching requirements
- Artwork placement
- Labels
- Trims
- Packaging instructions
The exact contents can vary according to the product.
Why Is a Tech Pack Important?
Without clear specifications, different people may interpret the same design differently.
For example, the customer may expect a relaxed fit while the factory interprets the garment as regular fit.
The customer may also expect a logo to be positioned at a specific distance from a seam.
If that measurement is not documented, the production team has to make assumptions.
A detailed tech pack reduces these ambiguities.
Measurements Should Be Clearly Defined
For custom team clothing, measurements can include:
- Chest width
- Body length
- Shoulder width
- Sleeve length
- Hem width
- Neck opening
- Waist
- Inseam
- Outseam
Not every garment requires every measurement.
The important point is that the measurements relevant to the garment should be clearly defined.
Fabric Information Matters
A tech pack can also record the material requirements.
For example:
Fabric: Polyester jersey
Composition: Specific fiber ratio
Weight: Target GSM
Color: Approved color reference
Finish: Required surface treatment
This helps the manufacturer understand what the customer actually wants instead of relying on a general product description.
Fabric and GSM are important variables in custom apparel because garments with the same basic design can feel and perform very differently depending on material specifications.
Artwork Placement Should Be Documented
A logo should not simply be described as “on the chest.”
The specification can indicate:
- Logo dimensions
- Position
- Distance from seams
- Color
- Decoration method
- Artwork file
The same principle applies to player numbers, names, sponsor logos, sleeve graphics, and other branding.
Labels and Trims Should Also Be Included
Custom clothing can contain many small components.
These may include:
- Neck labels
- Size labels
- Care labels
- Hang tags
- Zippers
- Buttons
- Drawcords
- Woven labels
Some international markets may also have specific labeling requirements.
For example, U.S.-bound apparel generally requires specific information concerning fiber content, country of origin, and other labeling details depending on the product and circumstances.
Therefore, label requirements should be confirmed before bulk production.
A Tech Pack Makes Sampling More Efficient
A sample should not be judged only by appearance.
The customer can compare the sample against the technical specification.
For example:
Specification: 72 cm body length
Sample: 71.8 cm
Result: Within the agreed tolerance
This provides a more objective basis for sample approval.
Tech Packs Also Help With Reorders
A well-maintained technical specification is useful after the first production run.
If the customer wants to reorder the same garment several months later, the manufacturer can refer to the approved specifications instead of recreating the product from memory.
This is especially valuable for teams and companies that order uniforms repeatedly.
Our Custom Apparel Workflow
Our team can work with customers to organize key production information before sampling.
This can include:
- Product reference
- Fabric
- Measurements
- Color
- Artwork
- Decoration
- Labels
- Trims
- Packaging
- Sample approval requirements
The goal is to turn a visual idea into a production-ready specification.

Conclusion
A tech pack is more than a design document.
It creates a shared technical reference between the customer and manufacturer.
For international custom apparel projects, a clear tech pack can reduce misunderstandings, improve sample accuracy, simplify bulk production, and make future reorders easier.
The more complex the garment, the more valuable clear technical specifications become.

