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How To Make A Bra Out Of Underwear How To Make A Bra Out Of Underwear

For Women

How To Make A Bra Out Of Underwear

Written by: Alice Goldenberg

Learn how to transform your underwear into a functional and stylish bra - perfect for women seeking a creative DIY lingerie solution.

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Table of Contents


Welcome to the world of creativity and resourcefulness! Have you ever found yourself in a fashion emergency, needing a bra but not having one on hand? Fear not! In this article, we will guide you through the process of making a bra out of underwear. Yes, you read that right. With a few simple materials and some basic sewing skills, you can fashion a functional and stylish bra in no time.

Why would you want to make a bra out of underwear, you may ask? Well, there could be many reasons. Perhaps you’re in a pinch and need a bra for a last-minute outfit change, or maybe you want to repurpose an old pair of underwear and give it a new lease of life. Whatever the reason, this DIY project is cost-effective, sustainable, and allows for a unique, personalized touch.

Before we dive into the step-by-step process, let’s take a look at the materials you’ll need. Don’t worry, you won’t need a degree in fashion design or a fancy sewing machine. Just a few basic supplies and a can-do attitude!


Materials Needed

Before you embark on this DIY bra-making adventure, let’s gather all the materials you’ll need. Most of these items can be found around your house or easily purchased from a craft store:

  1. One pair of underwear – Choose a pair that fits you well and provides adequate coverage. The style can be any type, such as briefs, bikinis, or boyshorts.
  2. Scissors – A good pair of fabric scissors will make it easier to cut the underwear and create neat edges.
  3. Thread – Match the color of the thread to the color of the underwear for a seamless finish.
  4. Needle – A sewing needle with a sharp point is essential for sewing the fabric together.
  5. Elastic – You will need elastic bands to create the back strap and possibly the shoulder straps. Choose a width that is comfortable for you.
  6. Measuring tape – A measuring tape will help you determine the appropriate length for the elastic bands and ensure a proper fit.
  7. Pins – Pins will be useful for holding the fabric in place while sewing. They prevent any shifting or misalignment.
  8. Optional: Decorative elements – If you want to add a personal touch to your bra, consider embellishments like lace, ribbons, or buttons.

With these materials in hand, you’re ready to transform your underwear into a one-of-a-kind bra creation. So, let’s move on to the next step – choosing the right underwear for your DIY project!


Step 1: Choosing the Right Underwear

When it comes to making a bra out of underwear, selecting the right pair of underwear is crucial. You’ll want to choose a pair that fits you comfortably and provides enough fabric to work with.

First, consider the style and coverage of the underwear. Briefs, bikinis, and boyshorts are all viable options, depending on your preference and the level of support you desire. Keep in mind that a fuller coverage style may provide more fabric to work with when constructing the cups and straps.

Next, pay attention to the fabric of the underwear. Look for a pair made from a stretchy and breathable material, such as cotton or a blend of cotton and elastane. This will ensure comfort and flexibility in your finished bra.

It’s also important to choose underwear that fits you well. The size of the underwear should correspond to your usual underwear size. Avoid using underwear that is too small, as it may not provide enough coverage for the cups, or too large, as it may result in a loose and ill-fitting bra.

Lastly, consider the color or pattern of the underwear. You can choose a pair that matches your skin tone for a seamless look under clothing, or go for a bold color or pattern if you want your DIY bra to make a statement.

Once you’ve found the perfect pair of underwear for your bra project, you’re ready to move on to the next step – cutting and measuring!


Step 2: Cutting and Measuring

Now that you have chosen the perfect pair of underwear, it’s time to get out your scissors and start cutting. This step will involve measuring and cutting the fabric to create the cups and other necessary components of your DIY bra.

1. Begin by laying out your underwear flat on a clean, flat surface. Smooth out any wrinkles or creases to get an accurate measurement.

2. Take your measuring tape and measure the distance from the center of one side of the underwear (where the crotch would be) to the center of the other side. This will give you the length of your bra cups. Write down this measurement for reference.

3. Use the scissors to carefully cut along the side seams of the underwear, starting from the crotch area and extending upwards towards the waistband. This will allow you to separate the front and back panels of the underwear.

4. Take the front panel of the underwear and fold it in half vertically, aligning the waistband and leg openings. This will help ensure symmetrical cups.

5. Using your measurement from step 2, mark the center point of the folded edge of the fabric. From this point, measure half of the cup length to the right and left, and mark these points as well. This will define the outer edges of your cups.

6. From the outer edges of the cups, draw a gentle curve towards the center mark. This will create the rounded shape of the cups.

7. Carefully cut along the lines you have drawn, following the curve to create the cup shape. Take your time to ensure smooth and precise cuts.

8. Unfold the fabric and you will have two cup-shaped pieces ready for the next step.

By carefully measuring and cutting the fabric, you have now created the foundation of your DIY bra. In the next step, we will move on to sewing the cups together to form the bra’s structure.


Step 3: Sewing the Cups

Now that you have cut out the fabric pieces for the cups, it’s time to sew them together to form the structure of your DIY bra. This step will involve stitching along the edges of the cups to create a secure and supportive foundation for your bra.

1. Take one cup-shaped fabric piece and place it on top of the other, with the right sides facing each other. Align the edges of the cups, ensuring they are evenly matched.

2. Pin the edges of the cups together to hold them in place while you sew. Place the pins parallel to the edges, ensuring they are secure but not obstructing the sewing path.

3. Thread your needle with a thread color that matches your fabric. Starting at one end of the cup, begin sewing along the pinned edge using a straight stitch. Be sure to leave a small opening near the bottom of the cup to turn it right side out later.

4. As you sew, maintain a consistent seam allowance by keeping the distance between the edge of the fabric and the sewing line uniform. This will ensure even and professional-looking stitching.

5. Once you reach the bottom of the cup, tie off the thread securely and trim any excess. Repeat these steps for the other cup.

6. Carefully turn the cups right side out through the small opening you left earlier. Use a blunt tool, like the end of a pen or a chopstick, to gently push out the edges of the cups and create a smooth shape.

7. To reinforce the cups and provide additional support, you can sew another line of stitching along the outer edge of each cup. This will add stability and durability to your DIY bra.

With the cups sewn together, you now have the foundation of your bra complete. In the next step, we will move on to creating the back strap for a secure and comfortable fit.


Step 4: Creating the Back Strap

Now that you have the cups sewn together, it’s time to create the back strap for your DIY bra. The back strap provides support and helps to secure the bra in place. In this step, we will guide you through the process of measuring and attaching the back strap.

1. Take your measuring tape and measure the circumference of your ribcage, just under the bust. This measurement will determine the length of your back strap. Write down this measurement for reference.

2. Cut a piece of elastic that matches the length you measured in the previous step. Make sure the elastic has a suitable width and stretchiness to provide a comfortable and secure fit.

3. Fold one end of the elastic over by about half an inch to create a clean edge. Pin it in place, ensuring that the fold is secure.

4. Position one end of the elastic on the back side of the cups. Pin it in place, aligning the edge of the elastic with the bottom edge of the cups.

5. Stretch the elastic slightly to fit the remaining length of your measurement and reach the other side of the cups. Pin the other end of the elastic in place, aligning it with the bottom edge of the cups.

6. Sew the elastic securely to the cups. Use a zigzag stitch to allow the elastic to stretch and move with the body comfortably. Sew along the pinned edges, removing the pins as you go.

7. Double-check that the elastic is securely attached and the back strap fits snugly but comfortably around your ribcage. Make any necessary adjustments by altering the tension of the elastic or trimming off any excess length.

With the back strap attached, you have made substantial progress in creating your DIY bra. In the next step, we will explore the optional addition of shoulder straps to further customize your bra’s fit and style.


Step 5: Adding Additional Straps (Optional)

If you prefer additional support or a different style, you can consider adding shoulder straps to your DIY bra. Adding straps will provide extra security and customization options. Follow these steps to attach shoulder straps:

1. Determine the desired length and width of your shoulder straps. Measure from the top of the cups, over your shoulder, to the back of the bra where the back strap is located. Ensure the length provides a comfortable fit for your body.

2. Cut two pieces of elastic according to the measurements you took. Make sure both straps are equal in length.

3. Attach one end of each strap to the top corners of the cups. Fold the ends of the elastic over by about half an inch to create a clean edge. Pin and sew them securely to the cups using a zigzag stitch.

4. Try on the bra to check the positioning and adjust the straps if needed. You can tighten or loosen the shoulder straps to achieve a comfortable and supportive fit.

5. If desired, you can further customize the look of your bra by attaching decorative elements to the shoulder straps. Consider adding lace, trim, or ribbon to create a unique and personalized touch.

Remember that adding shoulder straps is optional, and you can choose to skip this step if you prefer a strapless design. Whether you decide to add straps or not, your DIY bra is almost complete.

In the next step, we will discuss how to adjust and customize the fit of your bra to ensure maximum comfort and support.


Step 6: Adjusting and Customizing the Fit

Now that the main components of your DIY bra are complete, it’s time to focus on adjusting and customizing the fit to ensure optimal comfort and support. Every body is different, so this step will help you personalize the fit according to your unique shape and preferences.

1. Try on the bra and assess how it feels. Pay attention to areas where the fit may be too loose or too tight.

2. To adjust the fit of the back strap, you can tighten or loosen the elastic by moving the closure hooks to different positions. Experiment with the tension until you find the most comfortable and secure fit.

3. If the cups feel too loose or gaps are visible, you can make adjustments by taking in the side seams slightly. Use pins to mark where you want to sew, ensuring you maintain symmetry between the cups.

4. Conversely, if the cups feel too tight or cause discomfort, you can release some of the tension by adding a small dart or pleat to each cup. This will provide a bit more space and a better fit.

5. Assess the shoulder strap length and adjust as needed. You can tighten or loosen the straps to achieve the ideal level of support and comfort. Remember to make equal adjustments to both sides for symmetry.

6. Take your time and make small, gradual adjustments until you are satisfied with the fit. Trying on the bra throughout the process will help you make accurate adjustments and ensure a comfortable fit that hugs your body nicely.

By fine-tuning the fit, you can create a DIY bra that feels as good as it looks. In the next step, we’ll add the finishing touches to your creation.


Step 7: Adding Finishing Touches

Now that you’ve customized the fit of your DIY bra, it’s time to add the finishing touches that will elevate its style and make it uniquely yours. These final touches will add a personal and decorative element to your creation, enhancing its overall aesthetic appeal.

1. Consider adding embellishments, such as lace, ribbons, or bows, to the cups or straps of your bra. These decorative elements can be sewn onto the fabric using a needle and thread or attached with fabric glue for an easier application.

2. If you want to add a touch of femininity, consider attaching a small bow or a delicate charm to the center of the bra between the cups. This can be a charming detail that adds a whimsical and playful aspect to your DIY creation.

3. Experiment with different colors and patterns of decorative elements to match your personal style and preferences. Whether you prefer something bold and vibrant or soft and subtle, there are countless options to choose from that will give your bra a unique and eye-catching look.

4. Take the time to ensure that all the attachments are secure and won’t come loose during wear or washing. Double-check that any stitching or adhesive is firmly in place, as you want your finished bra to be durable and able to withstand regular use.

5. Stand back and admire your finished creation! You’ve transformed a simple pair of underwear into a beautifully crafted DIY bra that fits your body perfectly and reflects your personal style.

Remember, these finishing touches are optional, and you can choose to keep your DIY bra simple and understated if that’s more your preference. The most important thing is that your bra makes you feel comfortable, confident, and proud of your creative accomplishment.

With the finishing touches complete, you can now enjoy your unique and personalized DIY bra. Wear it with pride and embrace the creativity that went into making something functional and fashionable out of something as simple as a pair of underwear.



Congratulations! You have successfully learned how to make a bra out of underwear. Through creativity and resourcefulness, you’ve transformed a basic pair of underwear into a unique and personalized bra that fits your body perfectly. This DIY project not only allows you to create a functional undergarment in a pinch but also gives you the opportunity to repurpose old underwear and minimize waste.

Throughout the step-by-step process, you’ve learned how to choose the right underwear, measure and cut the fabric, sew the cups together, create the back strap, and even add optional shoulder straps and decorative elements. The ability to customize the fit and style of your bra ensures that it will be comfortable and reflect your personal taste.

Remember, making a bra out of underwear is a cost-effective and sustainable alternative to purchasing a new bra. It allows you to exercise your creativity, explore your sewing skills, and have fun in the process. Don’t be afraid to experiment with different styles, fabric choices, and embellishments to create a bra that is truly your own.

Now that you have the knowledge and skills to make a bra out of underwear, you can confidently tackle any fashion emergency or repurpose old underwear into something new and stylish. Embrace your creativity, have fun, and enjoy the satisfaction of wearing a bra that you made with your own hands.

So go ahead, embrace your inner DIY fashionista, and let your imagination run wild as you continue to explore your own unique style through creative and resourceful projects like this one!

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