The Speedy Pants pattern has two styles of unisex child underwear – boxers and briefs.
An overlocker/serger will create the neatest finish but importantly, a sewing machine is all you need for all options.
Both styles of Speedy Pants are modest and comfortable undies for children or all ages, and both are very quick to make (hence the name). They are beginner friendly and require 4 way stretch jersey. They are perfect for using up scraps and offcuts from larger projects. An overlocker/serger will create a neater, more professional finish, however I have also included instructions for using a regular sewing machine.
This listing is for 4 downloadable PDF files: Instructions, a print-at-home pattern, a copy shop pattern and a projector pattern.
Print the print-at-home pattern on A4/legal/letter sized paper.
Take the copy shop file to a professional printer to print onto large sheets of paper.
Use the projector file to project the pattern straight onto your fabric.
Join the Waves & Wild Facebook Group for more photos, inspiration and assistance.
The measurement charts for all W&W patterns are here.
The pattern is created in layers meaning you can print just the layers (sizes) you need.
To make coordinating ladies’ briefs try the Wonder Undies pattern.
This is an instant download PDF, not a finished item. Due to the digital nature of PDF patterns, no refund can be given if purchased in error.
Zoe Giles –
My little one calls these her comfy womfy pants. They are brilliant and i have no worry if she accidentally shows off her pants and the coverage is perfect. They are basically just the best pants ever.
Kathryn Thorsen (verified owner) –
This pattern is absolutely adorable and it sewed up so quickly! My little one had a blast designing them by picking out what they wanted from my fabric scraps.
Melissa Draper –
These really are speedy! I sized up and added a terry cloth panel and fabric cover from front to back to make some potty-training pants for the grandson and they worked great! Visual instructions were super helpful to understand the construction.
Kelli Riemer (verified owner) –
These boxers are just awesome! My son loves them. I did a double layer on the fly so no seams but even with just the one layer they are super comfy. Such a fabulous fit I bought the adult ones to make some for my husband 🙂
Thank you for such a wonderful pattern!
suzannec (verified owner) –
I made a size two pair of the speedy pants for my great niece. They are great to sew – great for using scraps and very cute!
Emilie Gauthier (verified owner) –
My boy would refuse to wear underpants I bought…. So I got him to chose some nice fabric for me to make him some…
He is loving it, since then he is wearing underpants every day!!
This free pattern is a great way to get started with W&W patterns… once you start you will get addicted!
Thank you W&W for those awesome pattern
Tiffany (verified owner) –
I’ve made both views of the speedy pants for my kiddo and the name is accurate – these are so fast to come together and they seem really comfy.
The boxer view takes up more fabric but both views are great for using up shockingly small scraps. I do sometimes add elastic to the waistband of the boxer view because they can go a little floppy in some fabrics.
Adele Story (verified owner) –
The comfiest underwear your kids will ever own. Straightforward pattern, a quick make so cut out several and make a full set whilst you are sewing 🙂
Mireia Tarragó (verified owner) –
One of the most used patterns at home. My kids always chose the speedy pants before any other store bought underwear. The fact that mummy has sewn them and they have chosen the fabric might have something to do as well with the choice 😛 but they keep asking me to do more. I have never done underwear before using this pattern. Detailed and easy to follow instructions, is a very quick and great results sewing
Sam Martin (verified owner) –
These are a really quick sew. They have good bum coverage compared to shop bought undies. I have used FOE in place of the bands with great success too!
Lucy Mainwood (verified owner) –
These are a fantastic pattern and one of my favorites, I’ve made since beginning sewing and due to waves and wilds clear instructions with visuals I’d say it’s beginner friendly.
I didn’t want to have those flimsy elasticated puffy pants you get from stores so when I found this pattern I was so happy.
Definitely recommend to everyone that I can.
Emma –
I wouldn’t say I’m a particularly fast sewer, but these really were speedy! I made the boxers with a double fly to cover the seams and they look like they will be very comfortable. (My 2 year old loved them so much he took them to bed with him).
Anna –
I’ve probably made 35 pairs. Great scrap buster, nice to not need elastic.
krystal.leigh08 (verified owner) –
These are the only underwear pattern I recommend to anyone. The fit is perfect and my daughter absolutely loves them! I was so thankful for the smaller sizes because she was too petite for store bought undies when we started potty training. Thank you for such a wonderful free pattern!
Sharleene Weeks (verified owner) –
Brilliant pattern to use to scraps, great bum coverage and just like it says speedy to sew
Leanne Dring (verified owner) –
My daughter absolutely loves these pants.
I am a complete beginner and found this pattern a great starting block. The pattern was super easy to print out and instructions very straight forward.
I love the freedom to be able to make our own pants, I recycle lots of clothes that are too small aswell as buying fun prints.
Tamsin Fox (verified owner) –
Love this pattern, first discovered it in lockdown and upcycled leggings for my daughter turning them into pants. Love that that there is no elastic as so comfortable and don’t irritate her eczema prone skin.
My sewing journey started there. East to print, easy to sew, easy to wear.
They make great bikini bottoms with good bum coverage too.