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T-Shirt Trunks

What do you do when your son outgrows his favorite t-shirt?
 Make boxer briefs out of them!!!!

After many tries I think I got it just right. I have tried to make this so it is as easy as possible but also comfortable for the little man in your life. Overlaping and using a zigzag stitch makes these super comfortable for the little guy.

Supplies Needed:
Trace your back (butt) piece on the front of 1 t-shirt.
 I like to line it up so that you can see the picture on his backside.

Cut it out.

Turn your t-shirt over and trace the front (crotch) piece.  Cut it out.

Grab the other t-shirt and line up  bottom hem on the front and back.
Trace your leg pattern and cut it out.

Take a leg piece and over lap the straight edges 1/4".
The crotch side should be on the top.

Turn leg inside out and sew using a zig zag stitch. 
 I set my machine stitch length to 3 (medium) and it was perfect.

It should look like this after you sew it.
 Repeat with the other leg.

Grab the front and back pieces right side up. 

Overlap the short straight edges 1/4".  Front piece on top of back piece.

Zig zag stitch using medium stitch length.

Fold with top edges matching.

Mark the middle.

Match leg seam to the mark you just made. Make sure to match the leg back to butt piece and the leg front to the crotch piece. Overlap the leg piece over the back piece 1/4" and zig zag stitch.

Turn and overlap the leg piece over the front (crotch) piece 1/4". Zig zag stitch.
Repeat with the other leg.

Cut the elastic to fit your childs waist.  Overlap the edges 1/4" and zigzag stitch.

Mark the middle back.

Line up the seam of the elastic the the middle back. Overlap elastic over the fabric 1/4" and zigzag stitch.
I went over it twice.



If you have any questions or something is unclear please leave a comment and I will help you.
Please use my pattern for personal use only!!!!

Shannon was kind enough to send me adjustments for upsizing these. Here they are!!!

Just for reference, my youngest (age 5) wears his as printed and your pattern seems to be about a size 4. My older (age 7) wears the upsized and my upsized version seems to be about a size 8.

Front: Add .5" to top and bottom horizontal lines, Add .25" to vertical lines.
Back: Add 1" to top horizontal line, Add .5" to bottom horizontal line, Add .25" to vertical lines.
Leg: Add 1" to top horizontal line, Add .5" to bottom horizontal line, Add .25" to crotch and butt lines, Add .75" to each of the 2 vertical leg seams.
Marking the "Center": After sewing Front to Back, Lay Front on top of Back with the top Front edge 1" lower than the top Back edge and mark the fold. (So not quite centered)
Thank you sooo much Shannon!


Beccalynn said...

What a brilliant idea! If God ever blesses me with a little boy, I'll have to try it. Actually... I'll bet you could alter that pattern for adults and I could make my hubby some cute boxers :-D

Unknown said...

Love it....I will have to try this for my little one.

Jamee said...

hey nancy- wonderful idea- i featured you on my blog today jameehomemaker.blogspot.com

Misty @Creative Itch said...

What a genius idea!! I'll have to bookmark this idea for when my little boy is potty-trained!!

Thanks for linking @Creative Itch's "Sew Cute Tuesday"!!

Unknown said...

I love these! I almost bought some today for my little guy. I am glad I didn't. I will be making them instead.

CC said...

This is possibly the greatest idea ever. I mean..who ever would have thought of this???? You are a genius in the making..

Heather said...

You are seriously amazingly brillant....I can't believe how awesome of an idea this is. You have the luckiest little dude in the world. He has the cutest "Chonies" of them all!

Kaysi said...

Those are so fun!! My boys would love a pair of these!!

Amy @ Positively Splendid said...

Wow - this is brilliant!! Thanks for sharing!

Mandy said...

Oh - this is just amazing! Far too difficult for a really sub-par seamstress like me - but SO VERY COOL. I'm going to have to pass this on to my mom. Love it!

Helena said...

This is so funny! I love it.

Thank you for linking up to A Little Craft Therapy with Life in the Pitts.

Melissa said...

That is such a great idea!

HB, The Impulsive Minimalist said...

I love these! I can't wait for potty training just to use these!!!

Thanks for linking to Lucky Star Lane's Lucky Linky Tuesday!

Fawnda@Fireflies and Jellybeans said...

I saw this earlier today and I was hoping that you would link it up! : )

This is brilliant! I will have to remember this when my son is potty trained!

Awesome! : )

Almost Always said...

i would love to make come for these for my hubby...these are soooo cute!
thanks for sharing :)

kim west said...

THis is the most brilliant idea ever! love love love it.

Tara said...

Those are amazing. I love them. Thanks for sharing them and submitting them to Trendy Treehouse. I definitely am interested.

I would also like to feature it on Trendy Treehouse. Let me know if that would be ok.



Stacey said...

Such a GREAT and original idea! We're working on potty training right now, but when we get it down, I'm gonna have to try this out! Thanks for sharing such a wonderful idea!

seven thirty three said...

Are you kidding me? This is freakin' amazing! :)

Thanks so much for linking up today.

seven thirty three - - - a creative blog

Andrea @ The Train To Crazy said...

Love them!

Helena said...

I just found this link party, and I thought you might want to link this project up to it. It's for boy-inspired crafts!


Sachiko said...

Great idea!! My boys would love these!

Prior said...

So innovative and a great recycle. I have never seen this before! Lezlee

Lori said...

You my dear totally rock!!! I love this...

Thanks for joining Get Your Craft on Thurs. Pleas join me next week for another great party.


Reyna Meinhardt said...

These are GREAT! Thanks for sharing your tutorial!

Stacie@HobbitDoor said...

What a fantastic idea! Thanks for sharing!

Carolyn @ My Backyard Eden said...

Such a cute way to recycle an old T-shirt!

Thanks for linking up to Make it Yours day!

Unknown said...

LOVE this! What a terrific idea... and I'm always looking for ways to repurpose tshirts into boy-friendly crafts... fabulous!
Thanks for linking up!

LuckyStarErin said...

super idea..I have two growing boys and these are great instructions. Thanks so much for sharing at LuckyStarLane.com.

Tamarynn Leigh said...

What a great idea! Awesome tutorial!!! Thanks for participating in my link party!!

Fawnda@Fireflies and Jellybeans said...

I just wnated to let you know that I featured you here:

: )

Its So Very Cheri said...

Wow-that is creative and thrifty.
Thanks for posting to my party.
This weeks Favs will be up by this evening.
Cheri www.itssoverycheri.com
HAVE YOU RE-signed up to follow the new blog. You won't get my updates if you don't.

Anne said...

That's brilliant!! I blogged about your tutorial over at Craft Gossip Sewing:

Ruth M. said...

Wow, absolutely one of the best ideas i have seen in a LONG time!!!

Do you think you might re-size these for our not-so little guys???


missbossypants said...

Thank you so much for the tutorial and pattern!!! My son happens to be in this size now, so I'd better get thrifting for some great shirts to make into undies for him!

Heather said...

great idea. I have tons of shirts to do this one with.
visit my blog for lots of free tutorials:

michelle@somedaycrafts said...

These more than rock! When my son starts wearing undies, I am totally doing this! I am featuring this at somedaycrafts.blogspot.com today. Grab my "featured" button.

marisa said...

holy cow! these are awesome!!!!!

the mama monster said...

i agree with marisa up there! i have 3 boys ( only 2 are in undies though) and they would love me to make cool underwear.thanks for the tute.

Jen said...

Thank you so much!! I needed this tutorial SO BAD! my son is almost done potty training and I needed this pattern. I linked you on my blog~ http://sewinmama.blogspot.com

Unknown said...

Made a pair today and after telling my son that I made them out of his old T Shirt he said, "Wow! That is cool! That is wock in woll" (rock n roll - he's almost 3). So thank you for helping me be "cool" to my kid. Also, shared this idea with some friends on FB. I just pasted a link to your tutorial. Hope that was ok! :)

Wendy P said...

I'm about to whip up a batch of these - thanks again for this tutorial. I'm missing your posts. Hope you are doing well!

Wendy P said...

me again - I posted pics of the briefs here: http://zipperduedeedah.blogspot.com/2010/05/made_23.html

Fabulous tutorial, btw! So easy to follow and the pattern fit my son exactly right. Thank you so much!!

Anonymous said...

Any luck on upsizing this pattern? I was thinking I could try to print it at 125% but then see that my printer won't let me directly. My next thought is to add .5" to all sides for my older son. Any thoughts?


Nancy said...

I think adding 1/2" to the seams would work. That's what I plan on doing when it's time for bigger ones!

Anonymous said...

Absolutly the best idea I have come across. I've already made 4 pairs in about hour and half.
Thank you~~Thank you!!

Anonymous said...

Thank you, that was extremely valuable and interesting...I will be back again to read more on this topic.

Anonymous said...

Cool blog, I had not noticed nancyscouture.blogspot.com previously in my searches!
Continue the superb work!

aidam said...

Really ! very nice T-Shirts , Awesome Design - Keep It Up

cool shirts

Anonymous said...

I am very impress on your information , Its a really very impressive blog. I really got some another very nice information , so thanks for sharing these tips,cool shirts.

Levi's Mommy said...

If I want to make them smaller, how would that work? I need to make 18month size, maybe 2T for my 3yr old.

Unknown said...

I'm about to whip up a batch of these - thanks again for this tutorial. I'm missing your posts. Hope you are doing well!

Cool Sweatshirts

seemesew84 said...

This is the best t-shirt underwear tutorial I've seen! I featured you on my blog!

Anonymous said...

I make stuff for my daughter all the time and my boys feel left out. I'm so excited to make these for them! Thanks for the awesome tutorial!!!

Anonymous said...

Great designs. I have always loved wearing tees. They are the best clothing one can wear and feel comfortable. I remember when I bought my first vintage t-shirt. It was the happiest day of my life ah! memories.

joka said...

I love love love these trunks and we have load of old tee's that my boys have grown out of, but, I cannot open the link to the pattern :( Please help me.

Anonymous said...

I loved making these, but I needed to print another pattern. The link doesn't seem to be working.

Miranda said...

These are rad.

Yamayka's Gift Wrapping Ideas said...

Wow! absolutely brilliant!

Lindsey said...

I would love to print this but it won't work - please help :-)

Heather said...

I would also love to make this but the pattern link does not work.