Rashguard Swimsuit

$9.00
 

This one is for the swimsuit sleeve lovers! 

The pattern includes the option of a one piece Rashguard Swimsuit lined with a keyhole and tie back so it’s easy to get on and off. There is also an unlined regular rash guard option (which you can still add the keyhole if you’d like but you’d need to add liner or bind the hole). On sizes NB — 2T you can also add a snap placket at the crotch for easy diaper changes if desired.

Please note that with a tie on the back, it can be a choking hazard. Please do not leave your child unattended while wearing a garment like this. 

Pattern Type:
PDF - Letter, A0, Projector

Skill Level:
Advanced Beginner

Sizes & Fabric Quantity:
NB - 2T: 1/2 Yard (swim and lining)
3T - 9/10: 3/4 Yard (swim and lining)

Materials:
* Swim fabric with 60% stretch or more 
* Swim lining with 60% stretch or more
* 3/8" swim elastic

Additional Sizes Examples and Pictures:
Click HERE

Additional Details:
Once payment has gone through you will be able to download your files immediately! You will also receive both a confirmation email and an email with a link to download your files. The confirmation email will give you the option to view your order where you can download your files. Lots of options! Be sure to check your promotions/spam/junk folders if the email with the file links doesn't come to your inbox.

Please don't share the file with anyone, though you are welcome to share a printed size with others. 

If you have any issues feel free to email hello@lowlandkids.com

Kids - Rompers/One piece swimsuits

Size Height Trunk Inseam Waist Hips
NB 19-21" (53cm) 24" (61cm) 6" (15cm) 14" (35cm) 15" (38cm)
0-3M 21-24" (61cm) 26" (66cm) 6.5" (16cm) 15" (38cm) 15.5" (39cm)
3-6M 24-26" (66cm) 27" (69cm) 7.5" (19cm) 15.5" (39cm) 16" (40cm)
6-9M 26-27" (69cm) 28" (71cm) 8.5" (21cm) 16.25" (41cm) 16.5" (42cm)
9-12M 27-29" (73cm) 29" (74cm) 10" (25cm) 16.75" (43cm) 17" (43cm)
12-18M 29-31" (78cm) 31" (79cm) 11.5" (29cm) 17" (43cm) 18" (46cm)
18-24M 31-33" (83cm) 33" (84cm) 12.25" (31cm) 18.5" (47cm) 18.5" (47cm)
2T 33-36" (91cm) 35" (89cm) 13" (33cm) 19.5" (49cm) 19.5" (49cm)
3T 36-39" (99cm) 37" (94cm) 14" (35cm) 20" (51cm) 21.5" (54cm)
4T 39-44" (112cm) 40" (102cm) 15.5" (39cm) 21" (53cm) 22.5" (57cm)
5T 44-50" (126cm) 41" (104cm) 17" (43cm) 21.5" (54cm) 23" (58cm)
6/7 48-52" (132cm) 43" (109cm) 18.5" (47cm) 22" (56cm) 24" (61cm)
7/8 50-56" (142cm) 45" (114cm) 20" (51cm) 22.5" (57cm) 25" (63cm)
8/9 54-58" (147cm) 47" (119cm) 21.5" (55cm) 23.25" (59cm) 26" (66cm)
9/10 56-62" (157cm) 49" (124cm) 23" (58cm) 24" (61cm) 27" (68cm)

Kids - Pants

Size Height Inseam Waist Hips
NB 19-21" 6" 14" 15"
0-3M 21-24" 6.5" 15" 15.5"
3-6M 24-26" 7.5" 15.5" 16"
6-9M 26-27" 8.5" 16.25" 16.5"
9-12M 27-29" 10" 16.75" 17"
12-18M 29-31" 11.5" 17" 18"
18-24M 31-33" 12.25" 18.5" 18.5"
2T 33-36" 13" 19.5" 19.5"
3T 36-39" 14" 20" 21.5"
4T 39-44" 15.5" 21" 22.5"
5T 44-50" 17" 21.5" 23"
6/7 48-52" 18.5" 22" 24"
7/8 50-56" 20" 22.5" 25"
8/9 54-58" 21.5" 23.25" 26"
9/10 56-62" 23" 24" 27"

Kids - Shorts/Tops/Dresses

Size Height Chest Waist Hips
NB 19-21" (53cm) 15" (38cm) 14" (35cm) 15" (28cm)
0-3M 21-24" (61cm) 16.5" (42cm) 15" (38cm) 15.5" (39cm)
3-6M 24-26" (66cm) 17" (43cm) 15.5" (39cm) 16" (40cm)
6-9M 26-27" (69cm) 17.5" (44cm) 16.25" (41cm) 16.5" (42cm)
9-12M 27-29" (73cm) 18" (46cm) 16.75" (43cm) 17" (43cm)
12-18M 29-31" (78cm) 18.5" (47cm) 17" (43cm) 18" (46cm)
18-24M 31-33" (83cm) 19.5" (49cm) 18.5" (47cm) 18.5" (47cm)
2T 33-36" (91cm) 21" (53cm) 19.5" (49cm) 19.5" (49cm)
3T 36-39" (99cm) 22" (56cm) 20" (51cm) 21.5" (54cm)
4T 39-44" (112cm) 23" (58cm) 21" (53cm) 22.5" (57cm)
5T 44-50" (126cm) 24" (61cm) 21.5" (54cm) 23" (58cm)
6/7 48-52" (132cm) 25" (63cm) 22" (56cm) 24" (61cm)
7/8 50-56" (142cm) 26.25" (66cm) 22.5" (57cm) 25" (63cm)
8/9 54-58" (147cm) 27.25" (69cm) 23.25" (59cm) 26" (66cm)
9/10 56-62" (156cm) 28.5" (71cm) 24" (61cm) 27" (68cm)

Youth

Size Height Chest Waist Hips Trunk
7 50" (127cm) 25" (64cm) 21" (54cm) 26" (66cm) 43" (109cm)
8 52" (132cm) 26" (66cm) 22" (56cm) 27" (69cm) 45" (114cm)
9 54" (137cm) 27" (68cm) 23" (58cm) 28" (71cm) 47" (119cm)
10 56" (142cm) 28" (71cm) 24" (61cm) 29" (74cm) 49" (124cm)
11 57" (145cm) 29" (74cm) 25" (64cm) 30" (76cm) 50" (127cm)
12 58" (147cm) 30" (76cm) 26" (66cm) 31" (79cm) 51" (130cm)
13 59" (149cm) 31" (78cm) 27" (69cm) 32" (81cm) 52" (132cm)
14 60" (152cm) 32" (81cm) 28" (71cm) 33" (84cm) 53" (135cm)
15 61" (155cm) 33" (84cm) 29" (74cm) 34" (86cm) 54" (137cm)
16 62" (158cm) 34" (86cm) 30" (76cm) 35" (89cm) 55" (140cm)
17 63" (160cm) 35" (89cm) 31" (79cm) 36" (92cm) 56" (142cm)
18 64" (163cm) 36" (92cm) 32" (81cm) 37" (94cm) 57" (145cm)

Women's

Size Bust Waist Hips
XXS 31" (79cm) 25" (64cm) 32" (81cm)
XS 33" (84cm) 27" (67cm) 35" (89cm)
S 35" (89cm) 29" (74cm) 37" (94cm)
M 37" (94cm) 32" (81cm) 40" (102cm)
L 39" (99cm) 35" (89cm) 43" (109cm)
XL 43" (109cm) 38" (97cm) 47" (119cm)
1X 47" (119cm) 42" (107cm) 51" (129cm)
2X 52" (132cm) 46" (117cm) 56" (142cm)
3X 57" (145cm) 50" (127cm) 61" (155cm)
4X 62" (158cm) 55" (140cm) 66" (168cm)
5X 67" (170cm) 60" (152cm) 71" (180cm)

Men's

Size Chest Waist Hips
XXS 31" (78cm) 26" (66cm) 31" (78cm)
XS 34" (86cm) 28" (71cm) 34" (86cm)
S 37" (94cm) 31" (78cm) 37" (94cm)
M 40" (102cm) 34" (86cm) 40" (102cm)
L 43" (109cm) 37" (94cm) 43" (109cm)
XL 46" (117cm) 40" (102cm) 45" (114cm)
1X 49" (124cm) 44" (112cm) 47" (119cm)
2X 52" (132cm) 48" (122cm) 49" (124cm)
3X 55" (140cm) 52" (132cm) 52" (132cm)
4X 58" (147cm) 56" (142cm) 55" (140cm)
5X 61" (155cm) 60" (152cm) 58" (147cm)
A quick note before you dive in: Our patterns include multiple files so you can sew the way you like—at home on a printer, at a copyshop (A0), or with a projector.

Quick answers

  • After checkout, you can download your pattern from the confirmation page, from the email we send, or anytime under Account → My Downloads using the same email you purchased with.
  • Your files come in a .zip. It’s easiest to download on a computer, unzip, and you’ll see: Instructions, Letter/A4, A0, and a Projector file.
  • Printing at home? Open the Letter/A4 PDF in Adobe Acrobat Reader and print at 100% (Actual Size), then check the test square.
  • Prefer no paper? Use the Projector file. It includes a calibration layer so you can confirm scale before you cut.
  • Need a big print? Send the A0 file to a local copyshop or an online printer.
  • If you get stuck, email hello@lowlandkids.com and we'll be happy to help!


Downloads & accounts


How do I get my files?
Right after payment you’ll see a download button on the confirmation page. We also email you links in your order confirmation email. And you can log in to our website any time and find everything under View Downloads.

What pattern files are included?
Four PDFs: Instructions, Letter/A4 (home printing), A0 (copyshop), and Projector.

Can I download on my phone or tablet?
Yes! Check out our Printing and Projector tips page for specific guidance.


Projector sewing (quick start)


Do your patterns include projector files?
Yes—our current catalog includes projector-optimized files for nearly all patterns. You’ll see “Projector” listed in each download.

How do I check scale?
Open the Projector file and turn on the calibration layer. Confirm the 1” / 2.5 cm squares measure correctly. If you move your projector or cutting surface, re-check before you cut.

Any setup tips?
Keep the text/markers layer visible. If labels look faint, check your PDF viewer’s accessibility settings and disable “replace document colors.” You can also enable the black background layer for higher contrast.


Print-at-home (Letter/A4)

1. Open the Letter/A4 PDF in Adobe Acrobat Reader.
2. In the print dialog, choose Actual Size (100%) and auto portrait/landscape.
3. Print the page with the test square first; measure to confirm scale.

Troubleshooting:
  • If the whole pattern prints on a single page, you likely opened the wrong file (use Letter/A4, not A0 or Projector).
  • If lines look fuzzy or misaligned, try “Print as image,” make sure your printer driver is up to date, and restart your computer.


Copyshop / A0

Download the A0 file and send it to a copyshop or an online service. Many sewists print a single master copy and trace sizes as needed.

Note that we protect our patterns by locking the pdf files to prevent editing in tools like Adobe Illustrator. In rare circumstances copy shops might use software that invisibly requests edit access and will show errors when attempting to open our files. 


Layers (print only the sizes you need)

All patterns include layers. Open the Layers panel in Acrobat Reader and hide sizes you don’t need. This keeps lines clear and makes grading between sizes easier.


Sizing & skill level

Each product page shows the skill level and links to the size chart. If measurements land between sizes, it’s common to use the width of one size and the length of another.


What machines do I need?

A regular sewing machine is all you need to start. A serger is optional but great for knit fabrics and tidy seams. A coverstitch is helpful for professional hems but not required.


Can I sell what I make?

Yes—items must be sewn by you personally. Mass production or outsourcing isn’t allowed. For manufacturing inquiries, email us.


Need help?

We’re happy to troubleshoot downloads, printing, or projector setup. Email hello@lowlandkids.com and include your order email and a screenshot of your issue if you can.
 
  • 5 stars: 31 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
M
Miller K.
Rashguard swimsuit

The rashguard swimsuit fits absolutely perfectly!! And was so easy to sew, took about 30 minutes from start to finish for the top. Definitely recommend. For the one piece version there is an awesome video tutorial!

L
Lucie C.
Beautiful pattern!

Perfect pattern, super easy to sew! I loved the result 🥰

S
Suze M.
So Cute!

Such a cute pattern and a wider neck makes for easier on and off. Easy to sew up and true to size. Love it!

H
Hannah Z.
Great for both boys & girls

I love this pattern! So far I've made the rashguard for my son and it was a perfect fit! I have the swimsuit pattern ready to sew up for my 2 daughter's.

B
Beatrice F.
A great pattern with a great fit but the instructions could do with some improvements

Such a great pattern! I love that it has sleeves and the fit and length of them was great. The size chart was good, my daughter is 14months but wears 18months clothing, so I made size 18-24 and it fit her really well, a little on the tighter side perhaps, I don’t think she will be able to have it after the summer. The instructions were clear enough however I would have liked information about which stitch to use when sewing, for example zigzag 3mm long and 2mm wide for side seams. It helps a lot when using a normal sewing machine to sew. The neck binding I found a little tricky to follow too so I just didn’t my own version that worked. I love that you’ve added snaps at the bottom as an option, maybe specify that they should be plastic snaps. I assume metal ones will rust when in water. One last thing, there were two neck binding pattern pieces in the file. I assume the smaller one was for the top. I think this needs to be clearer in the instructions. Sorry for all the pointers, I really do love this pattern though and I plan on making many many more!

A
Angelina G.
Nice

Cute swimsuit i love it

N
Nicole S.
Did a reversible version bc

Did a reversible version bc the kid didn’t want elastic. Still fit her. Always love the way instructions are written and worded.

o
otilia T.
Love!!

I loved this pattern!! It is easy to follow and turned out so cute on baby rose <3

N
Nicole
Rashgaurd Swim Suit

This swim suit is so cute when it’s all done!

Z
Zoe B.
Swimsuit is really cute and

Swimsuit is really cute and fits well. Elastic around the legs will become easier with practice. Plan to make another one soon.

S
Shannon S.
Great suit!

This pattern is gorgeous. Super fast sew and my girl is covered from the sun and looks super cute.

G
Gloria Robison Guarch
Have not finished it yet,

Have not finished it yet, but so far so good. Tried it on my granddaughter and think it will fit perfectly for next summer.

E
Ely K.
Runs small but still adorable

I can’t even knock off a star for the fact that I am having to remake this in a 4T for the kiddo who is a 2T growing into 3T. I mad the 3T thinking it would be big but poor kiddo could not deal with the “wedgie in my butt”! It was really tight all over, but especially in her lower half, especially back rise.

Okay, that out of the way, this suit is so easy to sew up, especially with the help of The YouTuber “Come Create with Kim” (thank you Kim, so so so much). And, it looks so cool with the keyhole in the back with the ties. The flutters are fun and way easier then they look. I think that’s kinda the theme of this suit and a lot of Lowland patterns, it’s is really cool looking and maybe seems intimidating but is so doable and fun. I have never done drop in raglan sleeves before and I LOVE that way of installing sleeves now! And then, even if you don’t do a perfect job, you get this really cut, wonderfully functional, swimsuit that looks awesome. If you have a sewing machine and it have a zigzag stitch and you consider yourself a beginner, you can make this!

M
Mary N.
Love everything about this suit!

Love everything about this suit!

a
alyssa hutchins
Rashguard suit

Amazing sew! Thank you for easy to follow instructions, and the finished product looks high end!

c
christina Bassett
Love the rashguard.

Thank you so much for your wonderful patterns. The fit of this rashguard is amazing and my girls are fighting over who gets the next one. This is love. My biggest sadness is that we are at the higher range of sizes. Just cut 2 more.

K
Kimberly McLeod
Super easy and quick!

This pattern came together so much faster than I imagined and has such a professional finish. There isn’t too much binding, which is nice and it would double and a super cute leotard pattern!

E
Elissa Van Andel
Instructions were very clear. A

Instructions were very clear. A quick and fairly easy sew. Lowland kids is definitely my first pick for kids patterns. On point :ok_hand::skin-tone-2: Fit good to size too

L
Liz S.
This pattern is perfect for

This pattern is perfect for baby swimwear. It was easy to put together and fit perfectly when using size that matched measurements. My first time sewing with swim fabric and I'll be making more!

C
Clio D.
Great pattern!

Very good instructions that make it easy to sew. Lovely pattern

J
Jennifer S.
Super easy sew! Love this

Super easy sew! Love this pattern

B
Bethany K.
Instructions are clear and easy

Instructions are clear and easy to follow. Size fit my daughter well. The pattern is awesome :sunglasses:

A
Andrea M.
So cute and comfy!

I love this suit! Made out of DBP as a test before trying on swim fabric, and it is a hit with my 5 year old. Love the sun protection the long sleeves offer. I will definitely be making more of these.

V
Victoria F.
Love

I had been previously hacking another pattern to make a rashguard. The fit is so great on this for my little guy! I love it 🥰

A
Amanda G.
Adorable

A sweet rashguard with a beautiful fit!

M
Mary M.
Easy sew!

The rash guard is such a quick and easy sew! Although a fabulous pattern for all levels, it’s particularly a great one for a beginner. The instructions are very clear and easy to follow. This is a versatile pattern, great not only for swim, but also for layering in cold weather. A must-buy!

R
Renae
The pattern you need!

I love this pattern! I’ve made the rash guard for my son and he already needs a million more! Such an easy sew! Thank you!

J
Jen
Quick and easy rash guard

I made the rash guard and it was so quick and easy! It’s so comfy that my girl didn’t want to take it off when she tried it on!! I’m so excited to do the full suit for a leotard too!!

A
Amanda
Love this pattern!

The fit is awesome, such an easy sew and it works great as a leo or an underlayer shirt too if you use Jersey knit.

D
Dani C.
Rashguard- One piece swimsuit

This was my first swimsuit and I'm so happy I tried this pattern! It was so easy and it came out as a great fitting suit. My daughter didn't want to take it off. Excited to make another for my other kid! 5 stars!

b
breakingbritt@gmail.com
Exactly what my little needed!

Beautiful suit, exactly what my little needed to be protected for the swim season! Quick sew, great instructions!