Mastering The Art Of Crafting A Suit Jacket Collar

how to make a suit jacket collar

The collar of a suit jacket is one of its most distinctive and important features. It adds structure and style to the overall look, and getting it right can make a world of difference. Whether you're a seasoned tailor or just a beginner looking to add a personal touch to your wardrobe, learning how to make a suit jacket collar is a valuable skill that will set you apart. In this guide, we'll explore the step-by-step process of sewing and shaping a suit jacket collar, ensuring a professional finish every time. So let's dive in and discover the art behind creating a flawless suit jacket collar.

Characteristics Values
Style Notch
Shape Notched
Width 2.5"
Lapel Type Peak
Collar Stand Height 2.75"
Collar Point Length 4.5"
Lapel Width 3"
Lapel Gap 0.375"
Collar Roll Line Curve
Collar Roll Shape Natural
Collar Roll Length 1.5"
Undercollar Melton
Undercollar Attachment Top Stitch
Undercollar Felt No
Undercollar Felt Width 1.375"
Undercollar Felt Length 16.5"
Collar Bridge No


What materials are needed to make a suit jacket collar?


A suit jacket collar is a crucial component of any well-made suit. It provides structural support, frames the wearer's face, and adds a touch of elegance to the overall appearance. Making a suit jacket collar requires specific materials and techniques to ensure a proper fit and professional finish. In this article, we will discuss the materials needed to make a suit jacket collar and offer step-by-step instructions on how to create one.

Materials needed:

  • Collar interfacing: This is a crucial component that gives the collar structure and shape. It is typically made of fusible or sew-in material, which can be cut to size and attached to the underside of the collar fabric.
  • Collar fabric: The collar fabric should match or complement the rest of the jacket. It is generally made from the same fabric as the jacket itself, such as wool, cotton, or silk.
  • Thread: High-quality thread that matches the color of the collar fabric is essential to ensure strong, secure seams that won't unravel.
  • Sewing machine: A reliable sewing machine with appropriate settings and attachments for sewing lightweight to medium-weight fabrics is necessary to sew the collar together.
  • Sewing tools: Essential sewing tools like scissors, pins, a ruler, and an iron are needed to measure, cut, pin, press, and finish the collar accurately.

Step-by-step process:

  • Cut collar fabric: Begin by cutting out the collar fabric according to the pattern instructions. Make sure to account for seam allowances and any necessary adjustments for a perfect fit.
  • Cut collar interfacing: Use the collar fabric pattern pieces as a guide to cut the matching collar interfacing. The interfacing should be slightly smaller than the fabric to prevent bulk and provide a smooth shape.
  • Prepare collar pieces: Place the collar interfacing on the wrong side of one collar fabric piece, aligning the edges. If the interfacing is fusible, use an iron to press it in place following the manufacturer's instructions. If the interfacing is sew-in, pin it securely to the fabric.
  • Sew collar pieces together: Place the other collar fabric piece right sides together with the interfaced piece. Pin around the edges, leaving the neck edge open. Use a sewing machine to sew along the pinned edges, securing the collar layers together with a 1/4 inch or 5/8 inch seam allowance, depending on the pattern instructions.
  • Trim and clip seam allowances: Trim the seam allowances to reduce bulk and clip curved areas to allow for smoother turning. Be careful not to cut through the seam.
  • Turn the collar right side out: Gently turn the collar right side out through the neck opening. Use a blunt tool, such as a chopstick or point turner, to push out the corners and achieve crisp edges.
  • Press the collar: Use an iron set to the appropriate temperature for the fabric to press the collar, ensuring it lies flat and the edges are well-defined.
  • Attach the collar to the jacket: Follow the pattern instructions to attach the collar to the jacket. This may involve sewing it to the neckline and securing it with stitches or topstitching.
  • Finish the collar: Depending on the desired finish, you may need to add topstitching or understitching to secure the collar and ensure it lies flat against the jacket.


  • Jane, an experienced tailor, uses a lightweight wool fabric and a fusible collar interfacing to create a classy suit jacket collar. She meticulously measures and cuts the pieces, sewing them together with precision. The finished collar adds a polished look to the jacket.
  • Mark, a hobbyist sewer, decides to make a suit jacket for a special occasion. He chooses a cotton fabric and a sew-in collar interfacing for a structured yet comfortable collar. With the help of a detailed online tutorial, he successfully completes the collar and is proud of his finished jacket.

In conclusion, making a suit jacket collar requires specific materials and techniques to achieve a professional-looking result. By using collar interfacing, collar fabric, thread, a sewing machine, and essential sewing tools, one can create a well-fitted and stylish suit jacket collar. Following precise steps and incorporating personal expertise or guidance from experienced sewers can enhance the final outcome.


What are the steps involved in cutting and shaping the collar fabric for a suit jacket?


When it comes to cutting and shaping the collar fabric for a suit jacket, there are several steps involved to ensure a precise and professional-looking result. In this article, we will outline those steps and provide examples of best practices.

Step 1: Measure and Mark the Fabric

Before cutting the collar fabric, it is essential to measure and mark the appropriate dimensions. This can be done by using a ruler or a tailor's tape measure to take the necessary measurements accurately. The measurements will vary depending on the style and design of the jacket collar.

Step 2: Cut the Fabric

Once the measurements are marked, the next step is to cut the fabric accordingly. It is crucial to use sharp fabric scissors or a rotary cutter for a clean and precise cut. It is advisable to cut slightly outside the marked lines to allow for any adjustments that may be needed during the shaping process.

Step 3: Shape the Collar

Shaping the collar is a critical step in achieving the desired look and fit of the suit jacket. There are two main techniques used for shaping the collar fabric: pressing and padding.

Pressing Method:

The pressing method involves using steam and heat to shape the collar fabric. It is done by placing the collar fabric on a tailor's ham or a rounded pressing form. Then, using a steam iron, the fabric is pressed and molded to the desired shape. The pressing process may need to be repeated several times to achieve a smooth and well-shaped collar.

Padding Method:

The padding method involves using layers of padding material to shape the collar. This method is commonly used in traditional tailoring techniques. The padding material, such as horsehair canvas or felt, is cut to fit the collar shape and basted onto the inside of the fabric. The layers of padding are then stitched to secure them in place. This technique provides structure and support to the collar, giving it a more pronounced and defined shape.

Step 4: Trim and Grade the Seams

After shaping the collar, it is important to trim and grade the seams to reduce bulkiness and eliminate any excess fabric. Trimming involves cutting off the excess fabric close to the seam line, while grading involves cutting the seam allowances at different widths to reduce bulk in areas where multiple layers of fabric meet.

Step 5: Finish the Collar

To give the collar a polished and professional finish, it is essential to apply the appropriate finishing techniques. This may involve edge stitching, understitching, or topstitching the collar to ensure that the fabric lays flat and the seams are secure. These techniques also add stability and durability to the collar, preventing it from stretching or sagging over time.

In conclusion, cutting and shaping the collar fabric for a suit jacket is a meticulous process that requires careful measurement, precise cutting, and shaping techniques such as pressing or padding. By following these steps and utilizing proper finishing techniques, you can achieve a well-fitted and perfectly shaped collar that enhances the overall appearance of the suit jacket.


How do you attach the collar to the main body of the jacket?


When it comes to sewing a collar onto a jacket, there are a few different methods you can use depending on the style and construction of the jacket. In this article, we will discuss a step-by-step process for attaching a collar to the main body of a jacket.

Step 1: Prepare the collar and main body of the jacket

Before attaching the collar, make sure both the collar and the main body of the jacket are prepared. This includes ensuring both pieces are properly cut and have any necessary interfacing applied.

Step 2: Mark the collar placement

Use a fabric marker or chalk to mark the placement of the collar on the main body of the jacket. This will help ensure that it is attached in the correct position.

Step 3: Pin the collar to the jacket

Start by pinning the collar to the main body of the jacket at the center back. Align the raw edges of the collar with the raw edges of the jacket and pin in place. Continue pinning along the collar edge, taking care to match any notches or markings.

Step 4: Stitch the collar to the jacket

Using a sewing machine or hand stitching, sew the collar to the body of the jacket. Begin at the center back and carefully stitch along the collar edge, removing the pins as you go. Use a seam allowance appropriate for your project, typically 1/4” to 1/2”. Backstitch at the beginning and end of the seam to secure it.

Step 5: Trim and grade the seam allowance

After attaching the collar, trim the seam allowance to reduce bulk. Trim down one side of the seam allowance to about half its original width, then trim the other side flush with the collar edge. This helps create a smooth and even collar attachment.

Step 6: Press the collar

Press the collar away from the jacket body using an iron on the appropriate heat setting. This helps to set the seam and create a clean finish. Take care not to stretch or distort the fabric as you press.

Step 7: Understitch the collar

Understitching is a technique used to prevent the collar from rolling to the outside of the garment. To understitch, stitch through the seam allowance and the facing or lining of the jacket, about 1/8” from the seam line. This will help keep the collar in place and give it a professional finish.

Step 8: Finish the collar

Depending on the style and design of the jacket, you may need to further finish the collar. This could include adding a topstitch along the collar edge or attaching a collar stand for added structure. Follow the pattern instructions or your own design preferences to complete the collar.

By following these steps and using proper sewing techniques, you can easily attach a collar to the main body of a jacket. Whether you are creating a tailored blazer or a casual denim jacket, the collar attachment process remains relatively consistent. Remember to take your time, use quality materials, and practice good sewing habits for a successful collar attachment.


What techniques can be used to achieve a professional and polished look for the collar?


Achieving a professional and polished look for the collar is essential to create a refined and well-tailored garment. A perfectly finished collar can elevate the overall appearance while adding substantial value to the garment. There are several techniques that can be employed to achieve this desired result. In this article, we will explore some techniques, both scientific and experienced-based, step-by-step, and with examples, to help you achieve a professional and polished collar.

Choosing the right fabric:

The choice of fabric plays a crucial role in achieving a professional collar. Opt for a medium-weight fabric that has enough body to hold the shape of the collar. Sturdy fabrics like cotton, linen, or wool blends are ideal choices.

Proper cutting and marking:

Accurate cutting and marking of the pattern pieces are vital to ensure a precise and well-constructed collar. Use sharp fabric shears and carefully transfer all the markings from the pattern onto the fabric. Pay special attention to match the notches and grainlines to maintain symmetry and alignment.

Reinforce the collar:

To ensure longevity and durability of the collar, consider reinforcing the collar pattern pieces with interfacing. Use a suitable type of interfacing that adds structure without compromising the fabric's drape. Apply the interfacing to the wrong side of the collar following the manufacturer's instructions.

Stitching and trimming:

Stitch the collar pieces together using a suitable stitch length and thread color that blends well with the fabric. Press the seams open or toward one side, depending on the type of collar. Trim any excess fabric at the corners to reduce bulk and obtain sharp edges.


Topstitching is a technique that not only adds a polished look but also helps to secure the collar and reinforce the seams. Use a matching thread, select an appropriate stitch length, and stitch along the edges of the collar or any desired decorative lines. Ensure even spacing and straight stitching for a professional finish.


Proper pressing is the key to achieving a crisp and professional-looking collar. Use a steam iron on the appropriate heat setting for your fabric and press the collar from both sides. Pay attention to the collar's edges, corners, and curves to ensure smooth and well-defined lines. Use a tailor's ham or sleeve roll to press curved areas accurately.

Example: Imagine you are making a classic tailored shirt with a point collar. After cutting and interfacing the collar pieces, stitch them together and press the seams open. Trim the fabric at the collar points and turn the collar right side out. Gently press along the collar's edges to create a smooth shape. Use a ruler or collar template to fold and crease the collar's points accurately. Topstitch along the collar edges to secure the layers and add a refined finish. Finally, give the collar a final press with plenty of steam to remove any remaining wrinkles and ensure a polished appearance.

In conclusion, achieving a professional and polished look for the collar requires attention to detail and employing various techniques throughout the construction process. By carefully choosing the fabric, reinforcing the collar, precise stitching and trimming, topstitching, and proper pressing, you can create a collar that adds a polished and refined touch to your garment. It is essential to practice these techniques and refine your skills to consistently achieve a professional collar with a polished finish.


Are there any specific measurements or guidelines to follow when making a suit jacket collar?


When it comes to making a suit jacket, one of the most important elements to get right is the collar. The collar not only adds structure and shape to the jacket, but it also plays a key role in determining the overall fit and comfort. To ensure a well-fitting collar, there are several measurements and guidelines that you should follow.

First and foremost, it's important to measure the neck circumference accurately. The neck circumference measurement will determine the overall size of the collar and ensure it fits comfortably around the wearer's neck. To take this measurement, wrap a measuring tape around the base of the neck, just above the collarbone, and add a small amount for ease of movement.

Next, you'll need to determine the collar height. The collar height is the distance between the base of the collar and the top edge of the collar when it's standing up. This measurement can vary depending on personal preference and style, but a general guideline is to have the collar height be approximately one-third of the neck circumference measurement. This ensures that the collar stands up properly and provides a clean and polished look.

Once you have the collar height, the next step is to determine the collar spread. The collar spread refers to the distance between the collar points when the collar is laid flat. This measurement can also vary depending on personal preference and style, but a common guideline is to have the collar spread be approximately two inches wider than the neck circumference measurement. This allows for enough space to comfortably fit a tie or other neckwear.

In addition to these basic measurements, there are a few other guidelines to keep in mind when making a suit jacket collar. The collar should have a slight curve or concave shape when viewed from the side. This helps the collar sit properly on the neck and prevents it from gaping or standing away from the body. The collar should also have a gentle roll or curve along the outer edge, known as the collar roll. This roll helps the collar lay smoothly against the neck and creates a more polished appearance.

When constructing the collar, it's important to use high-quality materials and pay attention to the details. The collar should be reinforced with canvas or interfacing to provide structure and stability. The collar should also be well-padded and shaped to create a clean and crisp silhouette.

To ensure a well-fitting collar, it's recommended to make a mock-up or toile of the jacket and collar before cutting into the final fabric. This allows you to make any necessary adjustments and fine-tune the fit before committing to the final garment.

In conclusion, making a suit jacket collar requires careful attention to measurements and guidelines to ensure a well-fitting and professional-looking result. By following the proper measurements for neck circumference, collar height, and collar spread, and paying attention to details such as the collar shape and construction, you can create a collar that enhances the overall fit and appearance of the jacket.

Frequently asked questions

To make a suit jacket collar, start by cutting out the collar pattern pieces according to your preferred measurements. Sew the collar pieces together, right sides facing, leaving an opening to turn it right side out. Trim the seam allowance and clip the corners. Turn the collar right side out and press it flat to ensure a crisp edge. Finally, attach the collar to the jacket neckline, aligning the raw edges and stitching in place.

To make a suit jacket collar, you will need fabric of your choice for the collar pieces, matching thread, a sewing machine, scissors, pins, and an iron for pressing. It is also helpful to have a collar pattern or template to ensure accurate sizing and shape.

To achieve a professional finish on the collar of a suit jacket, it is important to pay attention to details and take your time during the construction process. Pressing your seam allowances and collar flat after stitching helps to create a crisp edge and polished look. Taking care to stitch in straight, even lines also contributes to a professional finish. Additionally, making sure your collar aligns with the jacket neckline accurately and evenly will result in a polished final product.

While it is possible to make a suit jacket collar without a pattern, it is generally recommended to use a collar pattern or template for accurate sizing and shaping. Collar construction involves specific measurements and angles that can be difficult to achieve without a pattern. However, skilled seamstresses with experience in collar construction may be able to create their own collar shape and size using precise measurements and a keen eye for detail.

Yes, it is possible to alter the size of a suit jacket collar. If you want to make the collar larger or smaller, you can adjust the collar pattern pieces accordingly. Adding or reducing width or length to the collar pattern will determine the final size of the collar. It is important to ensure that any adjustments made are done symmetrically on both collar pieces to maintain balance and proportion.

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  • Byeon
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