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    Home » Sewing Projects

    Dinosaur Hoodie Tutorial (1 Hour Costume)

    Modified: Sep 27, 2025 · Published: Sep 27, 2019 by Brandy · This post may contain affiliate links.

    Jump to Project

    Fleece dinosaur spikes are sewn onto an existing hoodie to create a one-of-a-kind dinosaur hoodie that your little one will LOVE! This dinosaur hoodie tutorial is easy to follow and can be completed in under an hour.

    You might also like my fleece poncho tutorial, 10-minute scrunchies, or fleece mitten scarf!

    Child wearing dinosaur a hoodie.

    Mac has been obsessed with dinosaurs for well over a year now. With fall here and cooler temperatures just around the corner I thought it would be fun to make him a dinosaur hoodie!

    Why I Like This Project

    • 1-hour project. This darling hoodie comes together in under an hour and couldn't be easier to make.
    • Doubles as a costume. Not only will this hoodie keep your little one warm, but it also doubles as an inexpensive Halloween costume! Add matching sweatpants and you're set!
    • Fun to customize. Use pink or purple fleece to create a girlie dinosaur. Add eyes to the top of the hoodie or even a long fleece tail on the back.

    What Others Are Saying

    This worked out perfectly for me! The birthday boy could not stop roaring 😉 Thank you so much for sharing this.---Julie

    Jump to:
    • Why I Like This Project
    • What Others Are Saying
    • Tips and Tricks
    • Supplies
    • How To Make a Dinosaur Hoodie
    • Dinosaur Hoodie FAQs
    • More Fleece Projects To Make
    • Dinosaur Hoodie Tutorial

    Tips and Tricks

    Front and back views of dinosaur hoodie.
    1. Repurpose a hoodie. There's no need to reinvent the wheel. This dinosaur hoodie is made using an existing hoodie! If you already have a hoodie in your child's closet, AWESOME! Otherwise, you can pick up a hoodie at Walmart or Target for about $8.  A few cuts and straight hems, and voila!
    2. How to add a dinosaur tail. If you wanted to make a tail, you could totally do so and replace the bottom spike with a long, chunky tail in the same shape. It looks cute as it is, nice and simple.
    3. Use fleece for the fabric spikes. There are numerous homemade dinosaur hoodies and costumes available online. I've noticed that many use fabric glue or felt. If you plan on using the hoodie as a costume for one or two uses those methods would be fine, but if you are looking for a wardrobe item to be used and abused by a toddler I would definitely recommend sewing the hoodie and NOT using felt. Felt is a great fabric for learning to sew. I use it all the time for kids sewing projects like my sugar cookie pin cushion, but it only washes up well a couple of times before is starts to ball up. Fleece is much more durable and also quite easy to sew with.

    Supplies

    supplies for toddler hoodie tutorial hoodie and fleece triangles

    • Hoodie: Any hoodie will work. Whether you are making a toddler or an adult-sized dinosaur hoodie.
    • Fleece: The spikes are made out of fleece. ¼ yard should be plenty from a 60" bolt.
    • Pins
    • Scissors
    • Sewing Machine

    How To Make a Dinosaur Hoodie

    Fleece triangles sewn into spikes.

    Step 1: Cut 18 triangles from fleece.

    Note: The base of the triangle should be 3.5". The sides can be whatever you'd like, but mine were 4".

    Fleece dinosaur spikes for toddler dinosaur hoodie.

    Step 2: Stitch the sides of the triangle using a ⅜" seam. Trim close to the seam. Leave the bottom open. Turn the triangles right side out.

    Hoodie cut in half.

    Step 3: Lay the hoodie on your work surface and cut down the center of the hood section. Continue cutting down the back of the hoodie until you have 2 sections. Yes, you are cutting the ENTIRE hoodie in half, down the back!

    Spikes going down the back of the hoodie.

    Step 4: Place the spikes along the back edge of one hoodie section. Pin into place.

    Dinosaur spikes pinned in between hoodie pieces ready to sew.

    Step 5: Attach the other section of the hoodie by pinning it into place, sandwiching the spikes in between the two layers. Make sure the side seams line up on the hood section and the bottom hoodie hem.

    Note: You'll need to remove the pins that you previously used to arrange the spikes and add them again to create the sandwich of layers.

    Back view of dinosaur hoodie.

    Step 6: Sew a ⅝" seam along the entire edge, starting at the hood and continuing down to the bottom edge. The hoodie is now complete!

    Note: see how the bottom hem lines up perfectly? That is what I'm talking about in step 5. Don't start sewing until you've made sure you've pinned it just right!

    Dinosaur Hoodie FAQs

    What fabric is best for sewing dinosaur spikes?

    There are numerous homemade dinosaur hoodies and costumes available online. I've noticed that many use fabric glue or felt. If you plan on using the hoodie as a costume for one or two uses, those methods would be fine, but if you are looking for a wardrobe item to be used and abused by a toddler, I would definitely recommend sewing the hoodie and NOT using felt. Felt is a great fabric for learning to sew, but it only washes up well a couple of times before is starts to ball up. Fleece is much more durable and also quite easy to sew with.

    Can I make a dinosaur hoodie with a used sweatshirt?

    There's no need to reinvent the wheel. This dinosaur hoodie is made using an existing hoodie! If you already have a hoodie in your child's closet, AWESOME! Otherwise, you can pick up a hoodie at Walmart or Target for about $8.  A few cuts and straight hems, and voila!

    How long does it take to make a dinosaur hoodie?

    This is a 1-hour project, which will likely take you 45 minutes. It's quick, simple, and perfect for beginners.

    Can I wash a homemade dinosaur costume?

    Fleece washes well. You can wash and dry this dinosaur hoodie costume as you normally would for any other hoodie.

    Toddler dinosaur hoodie tutorial.

    More Fleece Projects To Make

    • young girl holding two fleece bunnies
      10 Minute Fleece Bunny For Kids (Video)
    • stack of folded fleece pillowcases
      How to Make a Pillowcase in 3 Steps Out of Fleece (Video)
    • Hand Warmer Muff Sewing Tutorial: Cozy Fleece
    • pile of homemade hand warmers
      Fleece Hand Warmers: Make a Pair in 5 Minutes (Video)

    MADE THIS RECIPE AND LOVED IT? 💛 Please leave a STAR rating and COMMENT below! Post it to Facebook or Pinterest to easily share with friends!

    Grey dinosaur hoodie hanging on a hanger.
    Print
    5 from 1 vote

    Dinosaur Hoodie Tutorial

    Fleece dinosaur spikes are sewn onto an existing hoodie to create a one-of-a-kind dinosaur hoodie that your little one will LOVE! This dinosaur hoodie tutorial is easy to follow and can be completed in under an hour.
    Pin Recipe
    Prep Time15 minutes mins
    Active Time45 minutes mins
    Total Time1 hour hr
    Yield: 1 hoodie
    Author: Brandy Nelson
    Cost: Under $10

    Equipment

    • scissors
    • pins
    • sewing machine

    Materials

    • 1 Hoodie
    • ¼ yard Fleece 60" wide bolt

    Instructions

    • Cut 18 triangles from fleece.
      Note: The base of the triangle should be 3.5". The sides can be whatever you'd like, but mine were 4".
    • Stitch the sides of the triangle using a ⅜" seam. Trim close to the seam. Leave the bottom open. Turn the triangles right side out.
    • Lay the hoodie on your work surface and cut down the center of the hood section. Continue cutting down the back of the hoodie until you have 2 sections. Yes, you are cutting the ENTIRE hoodie in half, down the back!
    • Place the spikes along the back edge of one hoodie section. Pin into place.
    • Attach the other section of the hoodie by pinning it into place, sandwiching the spikes in between the two layers. Make sure the side seams line up on the hood section and the bottom hoodie hem.
      Note: You'll need to remove the pins that you previously used to arrange the spikes and add them again to create the sandwich of layers.
    • Sew a ⅝" seam along the entire edge, starting at the hood and continuing down to the bottom edge.
      Note: see how the bottom hem lines up perfectly? That is what I'm talking about in step 5. Don't start sewing until you've made sure you've pinned it just right!

    Notes

    Fleece washes well. You can wash and dry this dinosaur hoodie costume as you normally would for any other hoodie.
    Share
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    About Brandy

    Welcome! I'm Brandy, mother to 5 darling kiddos and a cute black lab named Toby. My husband is in the Coast Guard so we've lived all over the place, turning each house into a home. I love baking, sewing, making cute things with my kids, and sharing what I've learned with all of you!

    Comments

    1. Brandy says

      September 27, 2025 at 8:11 pm

      5 stars
      This hoodie lasted us two years before my little guy outgrew it, and we passed it on to a friend! So cute, washed up well, and was easy to make!

      Reply
    2. BadMedisin says

      January 19, 2024 at 7:25 am

      That’s beautiful, and it suits your son perfectly. He looks so happy 🙂
      I’m going to have to make a grown-up sized one for myself too… Not that I’m particularly grown up 😉 Thank you for such a clear and simple tutorial!

      Reply
      • Brandy says

        January 19, 2024 at 9:35 am

        You’re welcome! 🙂

        Reply
    3. Julie says

      March 07, 2021 at 8:30 pm

      This worked out perfectly for me! The birthday boy could not stop roaring 😉 Thank you so much for sharing this.

      Reply
      • Brandy says

        March 08, 2021 at 7:12 pm

        Julie, this made my day! So happy he loved it!

        Reply
    5 from 1 vote

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