1st Birthday T-Shirts: Because First Birthday Outfits Are the Most Important Ones

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Your baby’s first birthday shirt

Time flies. It seems like it was only yesterday that you were preparing the nursery room for the arrival of your little bundle of joy, and now here you are, searching for your baby’s perfect 1st birthday outfit. Let us help you make this celebration a little more special.

At Spreadshirt you can find multiple 1st birthday t-shirt designs. You just need to pick the one that fits the personality of your little darling best. Whether you are looking for a first birthday outfit for a girl or 1st birthday onesie for a boy, we have it all! Now you don’t have to waste any more precious time on searching for 1st birthday t-shirts, that you could use for planning and organizing the party.

Get 1st birthday shirts for the siblings too

Of course, it is the littlest one’s big day, but we can bet that the siblings want to participate too. Make a perfect combo for the cutest family pictures with adding big brother shirts and big sister tees to the mix for the older kids.

If you are planning an outdoor party, or are going to a special event or location, we recommend getting 1st birthday t-shirts for the parents. Or even for the entire crew of aunties, uncles, grandmas, grandpas…well, for everyone! You can rest assure you will be the center of attention and people will stop you in the middle of the street just to ask you where you got those amazing 1st birthday t-shirts.
So, don’t hesitate and check out our Marketplace for the best 1st birthday t-shirts now!

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1st Birthday 1st Birthday Monster - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday Monster
$21.49
1st Birthday Safari 1st Birthday - Toddler Premium T-Shirt
Toddler Premium T-Shirt
Safari 1st Birthday
$24.49
1st Birthday Candy Corn 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Candy Corn 1st Birthday
$23.49
1st Birthday Can U Dig it? I'm 1 - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Can U Dig it? I'm 1
$21.49
1st Birthday Valentine Bunny 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Valentine Bunny 1st Birthday
$23.49
1st Birthday Wild One - Girl’s Ruffle T-Shirt
Girls' Ruffle T-Shirt
Wild One
$26.49
1st Birthday clowns_happy_birthday_c_1 - Kids' Premium T-Shirt
Kids' Premium T-Shirt
clowns_happy_birthday_c_1
$25.49
1st Birthday 1st Birthday Cupcake - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday Cupcake
$21.49
1st Birthday 1st Birthday - Girl’s Ruffle T-Shirt
Girls' Ruffle T-Shirt
1st Birthday
$26.49
1st Birthday Dinosaur 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Dinosaur 1st Birthday
$21.49
1st Birthday Cupcake - Kids' Premium T-Shirt
Kids' Premium T-Shirt
1st Birthday Cupcake
$26.49
1st Birthday Rainbow - Kids' T-Shirt
Kids' T-Shirt
1st Birthday Rainbow
$21.49
1 - Happy Birthday - Golden Number - Women's Scoop Neck T-Shirt
Women's Scoop-Neck T-Shirt
1 - Happy Birthday - Golden Number
$34.49
Firecracker 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Firecracker 1st Birthday
$23.49
Star one pink - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Star one pink
$20.99
1st Celebrating,Anniversary,Birthday T-shirt  - Kids' T-Shirt
Kids' T-Shirt
1st Celebrating,Anniversary,Birthday T-shirt
$19.99
1st Birthday / crown - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday / crown
$20.49
Mardi Gras 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Mardi Gras 1st Birthday
$23.49
the big one - 1st first Birthday Party - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
the big one - 1st first Birthday Party
$23.49
Level One Complete First Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Level One Complete First Birthday
$21.49
Its my 1st birthday-boy - Toddler Premium T-Shirt
Toddler Premium T-Shirt
Its my 1st birthday-boy
$21.49
I'm This Many One Birthday - Toddler Premium T-Shirt
Toddler Premium T-Shirt
I'm This Many One Birthday
$29.49
BIRTHDAY BOY 1 - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
BIRTHDAY BOY 1
$24.49
Tiara 1st Birthday Princess - Toddler Premium T-Shirt
Toddler Premium T-Shirt
Tiara 1st Birthday Princess
$24.49
cute little blue monster with red balloon - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
cute little blue monster with red balloon
$24.19
1st Birthday Baby Girl Owl - Kids' T-Shirt
Kids' T-Shirt
1st Birthday Baby Girl Owl
$21.49
1st Birthday Boy - Toddler Premium T-Shirt
Toddler Premium T-Shirt
1st Birthday Boy
$24.49
Unicorn 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Unicorn 1st Birthday
$21.49
I'm One Comic Book - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
I'm One Comic Book
$21.49
1st Birthday Dinosaur - Kids' Premium T-Shirt
Kids' Premium T-Shirt
1st Birthday Dinosaur
$26.49
1st Birthday Whale - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday Whale
$21.49
I Can't Keep Calm I'm One - Kids' T-Shirt
Kids' T-Shirt
I Can't Keep Calm I'm One
$26.49
It's My First Birthday - Kids' Premium T-Shirt
Kids' Premium T-Shirt
It's My First Birthday
$24.99
1st Birthday Monkey Girl - Toddler Premium T-Shirt
Toddler Premium T-Shirt
1st Birthday Monkey Girl
$24.49
1st birthday - I'm one - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st birthday - I'm one
$21.49
1st Birthday Monkey - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday Monkey
$23.49
1st Birthday Princess - Kids' T-Shirt
Kids' T-Shirt
1st Birthday Princess
$21.49
My 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
My 1st Birthday
$21.49
Its My 1st Birthday-girl - Toddler Premium T-Shirt
Toddler Premium T-Shirt
Its My 1st Birthday-girl
$21.49
It's My First Birthday - Kids' T-Shirt
Kids' T-Shirt
It's My First Birthday
$19.99
my first birthday - Toddler Premium T-Shirt
Toddler Premium T-Shirt
my first birthday
$22.99
1st Birthday Construction Truck - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday Construction Truck
$23.49
1st Birthday Cowgirl - Kids' T-Shirt
Kids' T-Shirt
1st Birthday Cowgirl
$20.49
Argyle Golf 1st Birthday - Toddler Premium T-Shirt
Toddler Premium T-Shirt
Argyle Golf 1st Birthday
$24.49
1st Birthday Airplane - Kids' Premium T-Shirt
Kids' Premium T-Shirt
1st Birthday Airplane
$26.48
First Snow | 1st Winter - Men's Premium T-Shirt
Men’s Premium T-Shirt
First Snow | 1st Winter
$27.48
Halloween Kitty 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Halloween Kitty 1st Birthday
$23.49
Look Whooo's Turning 1 - Toddler Premium T-Shirt
Toddler Premium T-Shirt
Look Whooo's Turning 1
$24.49
1st Birthday Giraffe - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday Giraffe
$21.49
Pink Ladybug 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Pink Ladybug 1st Birthday
$23.49
ONE-I-E-I-O - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
ONE-I-E-I-O
$23.49
Blooming 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Blooming 1st Birthday
$23.49
Ahoy Matey 1st Birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
Ahoy Matey 1st Birthday
$23.49
1st Birthday Monster - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st Birthday Monster
$21.49
Baby's 1st Birthday Daisies - Kids' T-Shirt
Kids' T-Shirt
Baby's 1st Birthday Daisies
$21.49
Monkey 1st Birthday - Kids' T-Shirt
Kids' T-Shirt
Monkey 1st Birthday
$21.49
Robot 1st Birthday - Toddler Premium T-Shirt
Toddler Premium T-Shirt
Robot 1st Birthday
$24.49
1st Birthday Cowboy Im 1 - Toddler Premium T-Shirt
Toddler Premium T-Shirt
1st Birthday Cowboy Im 1
$23.49
1st birthday - Baby Lap Shoulder T-Shirt
Baby Lap Shoulder T-Shirt
1st birthday
$25.49
It's my 1st birthday - Kids' Premium T-Shirt
Kids' Premium T-Shirt
It's my 1st birthday
$28.49
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Remember products

Your baby’s first birthday shirt

Time flies. It seems like it was only yesterday that you were preparing the nursery room for the arrival of your little bundle of joy, and now here you are, searching for your baby’s perfect 1st birthday outfit. Let us help you make this celebration a little more special.

At Spreadshirt you can find multiple 1st birthday t-shirt designs. You just need to pick the one that fits the personality of your little darling best. Whether you are looking for a first birthday outfit for a girl or 1st birthday onesie for a boy, we have it all! Now you don’t have to waste any more precious time on searching for 1st birthday t-shirts, that you could use for planning and organizing the party.

Get 1st birthday shirts for the siblings too

Of course, it is the littlest one’s big day, but we can bet that the siblings want to participate too. Make a perfect combo for the cutest family pictures with adding big brother shirts and big sister tees to the mix for the older kids.

If you are planning an outdoor party, or are going to a special event or location, we recommend getting 1st birthday t-shirts for the parents. Or even for the entire crew of aunties, uncles, grandmas, grandpas…well, for everyone! You can rest assure you will be the center of attention and people will stop you in the middle of the street just to ask you where you got those amazing 1st birthday t-shirts.
So, don’t hesitate and check out our Marketplace for the best 1st birthday t-shirts now!

Read more