How to Create Tech Packs for Fashion Designers

Find out how to create tech packs for fashion designers, which are essential for communicating your design ideas to manufacturers.

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A technical designer, also known as a technical fashion designer, is a professional who creates garments and products using computer-aided design (CAD) programs. He or she converts the 2D sketches of a clothing designer into technical specifications, or “tech packs,” which are essential for communicating the garment details to pattern makers, sample makers and manufacturers. In addition to strong CAD skills, a technical fashion designer must be proficient in garment construction and have an understanding of how garments are made.

What is a tech pack?

A tech pack is a technical document that contains all the information a manufacturer needs to know in order to produce a garment. This includes sketches or illustrations of the design, as well as fabric and trim specifications, construction details, and sizing information. Tech packs can also include instructions on how the garment should be graded (sized up or down) and any special instructions on how the garment should be constructed.

Why do fashion designers need tech packs?

A tech pack is a document that accompanies a design sketch and contains all the relevant information about the garment that a company needs to develop the product. This includes specifications such as measurements, construction details, fabric info, trim details, etc. as well as general information such as the target market, expected price point, and seasonality.

Fashion designers create tech packs for two primary reasons: to communicate their designs clearly to their team (including patternmakers, sewers, and factories) and to have a detailed record of the design process that can be referenced later.

In today’s competitive market, it’s more important than ever for fashion designers to be able to produce high-quality products quickly and efficiently. By having all of the relevant information about a design in one place, tech packs make it possible for designers to get their products to market faster and with fewer errors.

Creating tech packs can also help fashion designers to protect their designs from being copied or knocked off by other companies. In order for a design to be eligible for copyright protection, it must be “fixed in a tangible medium of expression.” A tech pack meets this requirement because it is a physical document that contains all of the elements of the design.

While some fashion designers choose to create their own tech packs, others outsource this work to patternmakers or specialized service providers. Regardless of who creates them, tech packs are an essential part of the fashion design process.

How to create a tech pack

A technical design, also known as a “tech pack,” is a document used by clothing manufacturers to communicate the specifications of a garment to their overseas production partners. Creating a well-detailed tech pack is critical to ensuring that your garment is produced to your specifications, and that the factory understands your vision for the finished product. In this article, we’ll show you how to create a tech pack for your fashion designs.


sketches are the first step in communicating your design ideas to other members of your team. They don’t need to be perfect or polished, but they should clearly show your vision for the garment. Include as much detail as possible, such as fabric choices, trims, and measurements.

Create a spec sheet

Creating a spec sheet may seem daunting, but it’s actually not that difficult. A spec sheet is a technical drawing of a garment that includes all of the important information that a manufacturer needs to know in order to produce the garment. This information includes measurements, construction details, fabric requirements, and any other special instructions.

To create a spec sheet, you’ll need to take accurate measurements of the garment, draft a sketch of the garment showing all construction details, and write up a description of the garment that includes all fabric and trim requirements. You’ll also need to choose a size range for the garment and specify what size each measurement corresponds to.

Once you have all of this information, you can start assembling your spec sheet. Begin by creating a template in Adobe Illustrator or another vector-based program. Then, use your sketch and measurements to create a detailed illustration of the garment on the template. Be sure to include all construction details, such as darts, pleats, button placements, etc. Finally, add your descriptions and size specifications

Add measurements

Most garment factories overseas require a tech pack in order to give an accurate quote, but they will also use it as a road map throughout the manufacturing process. This means your tech pack needs to be clear, concise, and complete—with no room for interpretation. When in doubt, add more (husband says to leave it out). The goal is for there to be zero questions about your design intent.

To start, you’ll need to gather some essential measurement information about your garment. If this is a brand new design, you can either use measurements from a similar garment or from a fit model. You can also find standard body measurements online—just make sure you’re using measurements for the correct size range and gender!

Once you have your essential measurements, open up Adobe Illustrator (or whatever vector program you prefer) and draw out a front, back, and side view of your garment. Then add in all of your measurements following these tips:

– Use different colors or line weights to differentiate between different types of measurements (bust, waist, hip, etc.)
– Label each measurement with both the name and the actual value (i.e., “Bust: 34”)
– If there are multiple measurement options for one area (i.e., S: Bust 37” / M: Bust 38” / L: Bust 39”), list all of the options so the factory knows what they have to work with
– If certain measurements only apply to certain sizes (i.e., XL only), be sure to specify that next to the measurement values

Include a bill of materials

A bill of materials lists all of the materials, trims, and components needed to construct a garment or product. When starting a new design, the bill of materials is essential in communicating exactly what is needed to your patternmaker and seamstress. This will help to avoid errors and costly mistakes down the line.

Your bill of materials should include the following:
-a description of each item (i.e. fabric, thread, zipper, snaps)
-the name or identification number of each item
-the quantity needed for each item
-the unit of measure (i.e. yards, meters, pieces)
-the supplier or source of each item

Include a sketch or image of the design
When creating your tech pack, be sure to include a sketch or image of the design. This will help your patternmaker visualize the garment and construct it more easily. If you are not able to draw a sketch yourself, there are many sites online where you can hire someone to do it for you. Be sure to include as much detail as possible in your sketch, such as darts, pleats, and other construction details.

Add construction details

Include construction details such as garment measurements, fabric content, and care instructions. These are often created by the patternmaker or technical designer and provide critical information to the factories.

Don’t forget the labels!

When you’ve finally got your tech pack complete, it’s important not to forget one last, crucial element — the labels! Whether you’re looking to create physical product labels or just virtual ones for your website or other digital platforms, there are a few key pieces of information that you’ll need to include. Here’s a quick rundown of what you’ll need:

-Your brand name and logo
-The name of the garment or product
-The size of the garment or product
-Any important care instructions (e.g. “hand wash only,” “dry clean only,” etc.)
-The country of origin (e.g. “made in China”)
-The materials used in the garment or product (e.g. “100% cotton”)
-The generic name and contact information for the manufacturer or producer (e.g. “ABC Clothing Co., 123 Main St., Anytown, USA”)

Including all of this information on your labels will help to ensure that customers have all the information they need when they’re making a purchase, and it will also help you to meet any legal requirements that may be in place in your country or region. So don’t forget the labels — they’re an essential part of any tech pack!


As a fashion designer, you will need to create tech packs in order to communicate your designs to manufacturers and other members of your team. Creating tech packs can seem daunting, but it does not have to be. With a little planning and organisation, you can create tech packs that will help streamline your production process and ensure that your designs are accurately reproduced.

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