How To Sew Two Sweatshirts Together?

How To Sew Two Sweatshirts Together?

Sewing two sweatshirts together is a practical way to create a unique and cozy garment. Imagine the satisfaction of turning two old, forgotten sweatshirts into a fashionable and functional piece of clothing. As a professional seamstress, I've perfected the art of combining fabric, and in this guide, I'll share my expert tips on how to seamlessly sew two sweatshirts together.

When it comes to sewing two sweatshirts together, there are a few key steps that will ensure a successful outcome. First, select two sweatshirts that complement each other in terms of color, fabric, and style. Then, prepare the sweatshirts by ironing them to remove any wrinkles and laying them flat on a clean surface. Next, pin the sweatshirts together, making sure to align the seams and edges as accurately as possible. Finally, use a sewing machine or needle and thread to sew the sweatshirts together, following a straight stitch along the pinned edges. By following these steps, you'll transform two separate sweatshirts into a stylish and personalized garment that you'll love to wear.

How To Sew Two Sweatshirts Together?

Preparing the Sweatshirts

Before you can sew two sweatshirts together, it's important to properly prepare them. Here's what you need to do:

1. Choose the Right Sweatshirts

The first step in sewing two sweatshirts together is to choose the right sweatshirts. Make sure the sweatshirts are of similar fabric types and weights to ensure an even and cohesive look. Additionally, consider the color and pattern of the sweatshirts to ensure they complement each other well.

It's also important to check the size and fit of the sweatshirts. They should be similar in size and shape to ensure a comfortable and proportional final result. If the sweatshirts are significantly different in size, you may need to make adjustments or modifications before stitching them together.

Finally, ensure that the sweatshirts are clean and free from any stains or odors. Pre-washing the sweatshirts can help to remove any fabric shrinkage or excess dye that could affect the final result.

2. Prepare the Sweatshirts

Once you have selected the sweatshirts, it's time to prepare them for sewing. Follow these steps:

  • Turn the sweatshirts inside out to expose the seams and raw edges.
  • Use a seam ripper or small scissors to carefully remove any existing labels or tags from the sweatshirts.
  • Inspect the sweatshirts for any loose threads or damaged areas. Trim or repair as necessary to ensure a neat and secure final result.
  • If desired, mark the center points of the sweatshirts to help with alignment during the sewing process.

By properly preparing the sweatshirts, you will set a solid foundation for stitching them together seamlessly.

Sewing the Sweatshirts

Now that you have prepared the sweatshirts, it's time to start sewing them together. Follow these steps:

1. Align the Sweatshirts

Begin by placing the two prepared sweatshirts with their right sides facing each other. Align the edges and seams that you want to stitch together. Use pins or fabric clips to secure the sweatshirts in place.

Take extra care to ensure that the seams and raw edges are matched up correctly. This will help to create a professional-looking finish.

If you marked the center points of the sweatshirts during the preparation stage, use these marks to make sure the alignment is accurate.

2. Choose the Stitching Method

There are several stitching methods you can use to sew the sweatshirts together, depending on the desired outcome and your skill level. Here are a few options:

  • Straight Stitch: Use a basic straight stitch on a sewing machine or by hand if you prefer a simple and straightforward seam. Make sure to set the stitch length and tension correctly for the fabric to avoid puckering or stretching.
  • Zigzag Stitch: A zigzag stitch is ideal for stretchy fabrics or when you want a more flexible seam. It provides additional strength and flexibility to the sweatshirts.
  • Overlock Stitch: If you have access to an overlock machine or a serger, using an overlock stitch will create a professional and secure finish. This stitch trims the edges while simultaneously sewing them together.

Choose the stitching method that best suits your preferences and skills.

3. Sew the Sweatshirts

Once you have chosen the stitching method, it's time to sew the sweatshirts together. Follow these steps:

  • Start at one edge of the sweatshirts and begin sewing, following the alignment and pinned or clipped positions.
  • Sew slowly and steadily, removing the pins or fabric clips as you go. Take care to keep the edges aligned and maintain a consistent seam allowance.
  • If you are using a sewing machine, backstitch at the beginning and end of the seam to secure it.

Continue sewing until you have reached the other edge of the sweatshirts. Ensure that the seam is secure and even.

Finishing Touches

After sewing the sweatshirts together, there are a few finishing touches you can add to enhance the quality and durability of the final product:

1. Press the Seam

Using an iron, press the seam open or to one side, depending on your preference and the thickness of the fabric. This will help to set the stitches and create a professional-looking finish.

2. Trim Excess Threads

Carefully trim any excess threads from the seam using small scissors. This will give your sweatshirts a polished and neat appearance.

3. Reinforce Stress Points

If desired, reinforce any stress points or areas that may experience extra strain, such as the shoulder seams or underarms. This can be done by sewing additional rows of stitches or using a decorative topstitching technique.

These finishing touches will ensure that your sewn sweatshirts are durable, comfortable, and visually appealing.

By following these steps and taking your time throughout the process, you can successfully sew two sweatshirts together and create a unique and personalized garment. Whether you're combining two different colors or patterns to make a statement piece or simply making minor modifications to a single sweatshirt, sewing sweatshirts together is a fun and rewarding project for any sewing enthusiast.

How To Sew Two Sweatshirts Together?

Step-by-Step Guide on How to Sew Two Sweatshirts Together

If you're looking to create a unique and stylish garment, sewing two sweatshirts together can be an excellent DIY project. This guide will provide you with step-by-step instructions on how to achieve this.

Materials Needed:

  • Two sweatshirts in desired sizes and colors
  • Matching thread
  • Scissors or fabric cutter
  • Sewing machine or needle and thread
  • Sewing pins or clips
  • Measuring tape


  • Choose two sweatshirts that complement each other in color and size.
  • Prepare the sweatshirts by cutting off the waistbands, cuffs, and collars.
  • Align the sweatshirts, right sides together, and secure them with sewing pins or clips.
  • Use a measuring tape to ensure that the two sweatshirts are even and symmetrical.
  • Using a sewing machine or needle and thread, start sewing along the sides and shoulders of the sweatshirts.
  • Backstitch at the beginning and end of the seams for added durability.
  • Trim any excess fabric and finish the seams with a zigzag stitch or serger.
  • Press the seams open for a professional finish.
  • Reattach the waistbands, cuffs, and collars if desired.

Key Takeaways for How To Sew Two Sweatshirts Together:

  • Ensure that both sweatshirts are clean and ironed before beginning.
  • Line up the two sweatshirts so that the seams and hems match.
  • Pin the sweatshirts together along the seams, ensuring they stay aligned.
  • Use a sewing machine or hand stitch along the pinned sections to join the sweatshirts.
  • Finish the raw edges by serging or zigzag stitching to prevent fraying.

Frequently Asked Questions

In this section, we will address some common questions about sewing two sweatshirts together. Whether you're looking to create a unique design or repurpose old sweatshirts, these answers will guide you through the process.

1. Can I sew two sweatshirts together using a regular sewing machine?

Yes, you can sew two sweatshirts together using a regular sewing machine. It's best to use a heavy-duty needle and a strong polyester or cotton thread to ensure the seams hold up well. Make sure the machine is set to a straight stitch or a stretch stitch if the sweatshirts are made of stretchy fabric.

Start by pinning the sweatshirts together along the edges you want to sew. Then, sew a straight line along the pinned edge, making sure to backstitch at the beginning and end for added durability. Trim any excess fabric and finish the raw edges with a serger or zigzag stitch to prevent fraying.

2. Do I need any special techniques to sew two sweatshirts together?

Sewing two sweatshirts together doesn't require any special techniques. However, there are a few tips that can make the process easier. First, use a walking foot attachment on your sewing machine to help feed the fabric through evenly, especially if the sweatshirts have different thicknesses or textures.

Second, baste the sweatshirts together before sewing if you're unsure about the final placement or fit. Basting stitches are temporary and can be easily removed if adjustments need to be made. This allows you to test the fit and make any necessary changes before sewing the final seam.

3. How do I ensure the seam is strong when sewing two sweatshirts together?

To ensure a strong seam when sewing two sweatshirts together, it's important to use the right needle and thread. Opt for a heavy-duty needle, such as a size 14 or 16, to penetrate the thick fabric easily. Use a strong polyester or cotton thread that can withstand the stress of regular wear and washing.

Additionally, reinforce the seam by backstitching at the beginning and end of the seam. This prevents the stitches from unraveling and adds extra strength to the seam. You can also sew a second row of stitching parallel to the first for added reinforcement, especially if the sweatshirts will be subjected to heavy use.

4. Can I sew two sweatshirts together with a serger machine?

Yes, you can sew two sweatshirts together using a serger machine. A serger creates a strong and professional-looking seam by trimming the fabric edges and simultaneously encasing them with overlock stitches. This prevents fraying and adds durability to the seam.

Simply align the edges of the sweatshirts and guide them through the serger, allowing it to cut and stitch the seam. Make sure to adjust the serger settings based on the sweatshirt fabric's thickness and weight. It's always advisable to practice on scrap fabric before starting on the actual sweatshirts.

5. Can I sew two sweatshirts together by hand?

Yes, you can sew two sweatshirts together by hand, but it may be a time-consuming process. Use a strong and thick needle, such as a quilting or upholstery needle, to handle the fabric's thickness. Choose a heavy-duty thread that matches the sweatshirt color.

Start by pinning the sweatshirts together along the desired seam. Use a backstitch or whipstitch to sew the seam, ensuring your stitches are small and even for a secure hold. Hand-sewing can be a meticulous task, so it's essential to take your time and maintain consistent stitch length and tension.

So now you know the steps to sew two sweatshirts together! Remember to choose sweatshirts of the same size and fabric to ensure a seamless merge.

Start by pinning the sweatshirts together and sewing the sides and sleeves. Then, sew the neckline and hem to complete the process. Take your time and work carefully to achieve a professional-looking result.