Skip to content

Free Shipping On Orders $75+

New!
- Spring & Summer '25
- Bibs & Accessories
  
  Headbands
  Knotted Beanie Hats
  Newborn Bonnets
  Pocket Bibs
  Three-Layer Kerchief Bibs
  Two-Piece Burp Cloth Sets
- Blankets & Bedding
  
  Mini Loveys
  Big Loveys
  Swaddles
  Crib Sheets
- Apparel
  
  Long Sleeve One Pieces
  Short Sleeve One Pieces
  Footed Rompers
  Zipper Pajamas
  Dresses & Dress Sets
  Joggers
  Newborn Gown & Hat Sets
  LS Two Piece Pajama Sets
  Shortalls
  Top & Bottom Sets
  Tees & Jumpers
- Swimsuits & Towels
  
  Beach Towels
  Zipper Shortall Swimsuits
  Ballet Skirt Swimsuits
  Ruffle Square Neck Swimsuits
  LS Shirt & Trunks Swim Sets
- Sun Protection
  
  Summer Hats
  Sun Shield Windbreakers
- Outerwear
  
  Windbreaker Pants
  Windbreaker Jackets
  Winterwear
  Corduroy Jumpers
  Pants
  Cardigans
Apparel
- One Pieces
  
  Short Sleeve One Pieces
  Long Sleeve One Pieces
  Appliqué Long Sleeve
  Appliqué Short Sleeve
  All One Pieces
- Sleep + Play
  
  Two Piece Pajama Sets
  Zipper Pajamas (Up to 24M)
  Zipper Footed Rompers
  Ruffle Footed Rompers
  Jumpsuits & Jumpers
  Newborn Gown & Hat Sets
  All Pajamas
- Dresses & Dress Sets
  
  Dress & Legging Sets
  Dress & Bloomer Sets
  Dresses
  All Dresses
- Tops
- Bottoms
  
  Jogger Pants
  Leggings
  Pants
  Pocket Bloomers
  Ruffle Bloomers
  All Bottoms
- Overalls
  
  Classic Overalls
  Dress Overalls
  Ruffle Overalls
  All Overalls
- Swimsuits
  
  Zipper Shortall Swimsuits
  One Piece Swimsuits
  Two Piece Swimsuits
  Swims Shirt & Trunks Sets
  All Swim
- All Apparel
Outerwear
- Lightweight Down
  
  Down Vests
  Down Hooded Jackets
  Down Hooded Jumpsuits
- Puffy Down
- Quilted
  
  Quilted Pants
  Quilted Jackets and Scarfs
- Knitwear
  
  Knitted Sweaters
  Knitted Cardigans
  Knitted Sweatpants
  Knitted Jumpsuits
- Reversible
  
  Reversible Jackets
  Reversible Jumpsuits
- Cozy Comfort
- All Jackets
- All Jumpsuits
Nursery
Accessories
- Beach Towels
- All Bibs
  
  3-Layer Kerchief Bibs
  3-Layer Traditional Bibs
  Appliqué 2-Layer Organic Bibs
  Lil' Bibs
  Long Sleeve Pocket Bibs
  Ruffle Pocket Bibs
  All Bibs
- Beanies, Headbands, and Bonnets
  
  Knotted Beanie Hats
  Knotted Headbands
  Bow Twist Knotted Headbands
  Newborn Bonnets
  All Beanies, Headbands, and Bonnets
- Winter Hats
- Summer Hats
  
  Sun Safety Adjustable Play Hats
  Sun Bucket Play Hats
  Sunshine Peekaboo Hats
  Outdoor Explorer Hats
  Wide Brim Sun Bonnets
  All Summer Hats
- Sun Shield Jackets
- Winter Windbreaker Jackets
- All Accessories
Books
Sale
Shop by Print
- Milkbarn Prints
- Solid Color Items

Facebook
Instagram

New!
- Spring & Summer '25
- Bibs & Accessories
  
  Headbands
  Knotted Beanie Hats
  Newborn Bonnets
  Pocket Bibs
  Three-Layer Kerchief Bibs
  Two-Piece Burp Cloth Sets
- Blankets & Bedding
  
  Mini Loveys
  Big Loveys
  Swaddles
  Crib Sheets
- Apparel
  
  Long Sleeve One Pieces
  Short Sleeve One Pieces
  Footed Rompers
  Zipper Pajamas
  Dresses & Dress Sets
  Joggers
  Newborn Gown & Hat Sets
  LS Two Piece Pajama Sets
  Shortalls
  Top & Bottom Sets
  Tees & Jumpers
- Swimsuits & Towels
  
  Beach Towels
  Zipper Shortall Swimsuits
  Ballet Skirt Swimsuits
  Ruffle Square Neck Swimsuits
  LS Shirt & Trunks Swim Sets
- Sun Protection
  
  Summer Hats
  Sun Shield Windbreakers
- Outerwear
  
  Windbreaker Pants
  Windbreaker Jackets
  Winterwear
  Corduroy Jumpers
  Pants
  Cardigans
Apparel
- One Pieces
  
  Short Sleeve One Pieces
  Long Sleeve One Pieces
  Appliqué Long Sleeve
  Appliqué Short Sleeve
  All One Pieces
- Sleep + Play
  
  Two Piece Pajama Sets
  Zipper Pajamas (Up to 24M)
  Zipper Footed Rompers
  Ruffle Footed Rompers
  Jumpsuits & Jumpers
  Newborn Gown & Hat Sets
  All Pajamas
- Dresses & Dress Sets
  
  Dress & Legging Sets
  Dress & Bloomer Sets
  Dresses
  All Dresses
- Tops
- Bottoms
  
  Jogger Pants
  Leggings
  Pants
  Pocket Bloomers
  Ruffle Bloomers
  All Bottoms
- Overalls
  
  Classic Overalls
  Dress Overalls
  Ruffle Overalls
  All Overalls
- Swimsuits
  
  Zipper Shortall Swimsuits
  One Piece Swimsuits
  Two Piece Swimsuits
  Swims Shirt & Trunks Sets
  All Swim
- All Apparel
Outerwear
- Lightweight Down
  
  Down Vests
  Down Hooded Jackets
  Down Hooded Jumpsuits
- Puffy Down
- Quilted
  
  Quilted Pants
  Quilted Jackets and Scarfs
- Knitwear
  
  Knitted Sweaters
  Knitted Cardigans
  Knitted Sweatpants
  Knitted Jumpsuits
- Reversible
  
  Reversible Jackets
  Reversible Jumpsuits
- Cozy Comfort
- All Jackets
- All Jumpsuits
Nursery
Accessories
- Beach Towels
- All Bibs
  
  3-Layer Kerchief Bibs
  3-Layer Traditional Bibs
  Appliqué 2-Layer Organic Bibs
  Lil' Bibs
  Long Sleeve Pocket Bibs
  Ruffle Pocket Bibs
  All Bibs
- Beanies, Headbands, and Bonnets
  
  Knotted Beanie Hats
  Knotted Headbands
  Bow Twist Knotted Headbands
  Newborn Bonnets
  All Beanies, Headbands, and Bonnets
- Winter Hats
- Summer Hats
  
  Sun Safety Adjustable Play Hats
  Sun Bucket Play Hats
  Sunshine Peekaboo Hats
  Outdoor Explorer Hats
  Wide Brim Sun Bonnets
  All Summer Hats
- Sun Shield Jackets
- Winter Windbreaker Jackets
- All Accessories
Books
Sale
Shop by Print
- Milkbarn Prints
- Solid Color Items

Search

Collection: All One Piece

Filter:

Size

0 selected

Size

0-3M (21 products)
3-6M (171 products)
6-12M (181 products)
12-18M (183 products)
18-24M (26 products)
2-3T (3 products)
3-4T (3 products)
4-6T (3 products)

Print

0 selected

Print

Sort by:

184 products

Filter and sort Filter

Filter and sort

Filter

184 products

Size

0-3M (21 products)
3-6M (171 products)
6-12M (181 products)
12-18M (183 products)
18-24M (26 products)
2-3T (3 products)
3-4T (3 products)
4-6T (3 products)

Clear

Print

Clear

Sort by:

Remove all

184 products

Sandcastle Organic Cotton Short Sleeve One Piece

Sandcastle Organic Cotton Short Sleeve One Piece

Regular price $26.00 USD

Regular price ~~$26.00 USD~~ Sale price $26.00 USD
Unit price per
Honey Bear Bamboo Long Sleeve One Piece

Honey Bear Bamboo Long Sleeve One Piece

Regular price $28.00 USD

Regular price Sale price $28.00 USD
Unit price per
Vintage Natural Ski Organic Cotton Short Sleeve One Piece

Sale

Vintage Natural Ski Organic Cotton Short Sleeve One Piece

Regular price $15.60 USD

Regular price ~~$26.00 USD~~ Sale price $15.60 USD
Unit price per

Sale
Valais Sheep Bamboo Short Sleeve One Piece

Valais Sheep Bamboo Short Sleeve One Piece

Regular price $26.00 USD

Regular price Sale price $26.00 USD
Unit price per
Gold Floral Organic Cotton Short Sleeve One Piece

Sale

Gold Floral Organic Cotton Short Sleeve One Piece

Regular price $15.60 USD

Regular price ~~$26.00 USD~~ Sale price $15.60 USD
Unit price per

Sale
Gold Floral Organic Cotton Long Sleeve One Piece

Sale

Gold Floral Organic Cotton Long Sleeve One Piece

Regular price $16.80 USD

Regular price ~~$28.00 USD~~ Sale price $16.80 USD
Unit price per

Sale
Tutu Elephant Off Shoulder One Piece Swimsuit

Sale

Tutu Elephant Off Shoulder One Piece Swimsuit

Regular price $25.20 USD

Regular price ~~$42.00 USD~~ Sale price $25.20 USD
Unit price per

Sale
Fresh Veggies Organic Cotton Short Sleeve One Piece

Sale

Fresh Veggies Organic Cotton Short Sleeve One Piece

Regular price $15.60 USD

Regular price ~~$26.00 USD~~ Sale price $15.60 USD
Unit price per

Sale
Highland Cow Bamboo Short Sleeve One Piece

Highland Cow Bamboo Short Sleeve One Piece

Regular price $26.00 USD

Regular price Sale price $26.00 USD
Unit price per
Gold Fox Organic Cotton Short Sleeve One Piece

Gold Fox Organic Cotton Short Sleeve One Piece

Regular price $26.00 USD

Regular price Sale price $26.00 USD
Unit price per
Highland Cow Bamboo Long Sleeve One Piece

Highland Cow Bamboo Long Sleeve One Piece

Regular price $28.00 USD

Regular price Sale price $28.00 USD
Unit price per
Gold Fox Organic Cotton Long Sleeve One Piece

Gold Fox Organic Cotton Long Sleeve One Piece

Regular price $28.00 USD

Regular price Sale price $28.00 USD
Unit price per
Lemon Off Shoulder One Piece Swimsuit

Sale

Lemon Off Shoulder One Piece Swimsuit

Regular price $25.20 USD

Regular price ~~$42.00 USD~~ Sale price $25.20 USD
Unit price per

Sale
Firefly Bamboo Long Sleeve One Piece

Firefly Bamboo Long Sleeve One Piece

Regular price $28.00 USD

Regular price Sale price $28.00 USD
Unit price per
Valais Sheep Bamboo Long Sleeve One Piece

Valais Sheep Bamboo Long Sleeve One Piece

Regular price $28.00 USD

Regular price Sale price $28.00 USD
Unit price per
Homestead Organic Cotton Short Sleeve One Piece

Homestead Organic Cotton Short Sleeve One Piece

Regular price $26.00 USD

Regular price ~~$26.00 USD~~ Sale price $26.00 USD
Unit price per
Vintage Planes Organic Cotton Long Sleeve One Piece

Vintage Planes Organic Cotton Long Sleeve One Piece

Regular price $28.00 USD

Regular price Sale price $28.00 USD
Unit price per
Planets Bamboo Short Sleeve One Piece

Planets Bamboo Short Sleeve One Piece

Regular price $26.00 USD

Regular price ~~$26.00 USD~~ Sale price $26.00 USD
Unit price per
Fresh Veggies Organic Cotton Long Sleeve One Piece

Sale

Fresh Veggies Organic Cotton Long Sleeve One Piece

Regular price $16.80 USD

Regular price ~~$28.00 USD~~ Sale price $16.80 USD
Unit price per

Sale
Valais Sheep Off Shoulder One Piece Swimsuit

Sale

Valais Sheep Off Shoulder One Piece Swimsuit

Regular price $25.20 USD

Regular price ~~$42.00 USD~~ Sale price $25.20 USD
Unit price per

Sale
Firefly Bamboo Short Sleeve One Piece

Firefly Bamboo Short Sleeve One Piece

Regular price $26.00 USD

Regular price Sale price $26.00 USD
Unit price per
Vintage Trailers Organic Cotton Short Sleeve One Piece

Sale

Vintage Trailers Organic Cotton Short Sleeve One Piece

Regular price $15.60 USD

Regular price ~~$26.00 USD~~ Sale price $15.60 USD
Unit price per

Sale
Vintage Floral Organic Cotton Long Sleeve One Piece

Vintage Floral Organic Cotton Long Sleeve One Piece

Regular price $28.00 USD

Regular price Sale price $28.00 USD
Unit price per
Sky Floral Bamboo Short Sleeve One Piece

Sale

Sky Floral Bamboo Short Sleeve One Piece

Regular price $15.60 USD

Regular price ~~$26.00 USD~~ Sale price $15.60 USD
Unit price per

Sale

1
…
3
4
5
6
7
8

Sign up+enjoy exclusive previews+more!

(We'll never share your information)

Email

Shop:

New Arrivals!
Apparel
Blankets
Bibs & Accessories
Outerwear
Swim
Children's Book
Sale
Gift Cards

Assistance:

FAQ
Size Guide
Returns
Wholesale & Rep Groups
Customer Care

About Us:

Our Story
Our Cause
Our Prints
Safety Standards
Press

Subscribe to our emails

Email

Facebook
Instagram

Payment methods

© 2025, MILKBARN Powered by Shopify

Privacy policy
Terms of service
Refund policy
Contact information
Shipping policy

Choosing a selection results in a full page refresh.
Opens in a new window.