Code SUMMER20 = extra 20% off* select styles!

Baby Boy One Pieces

280 items

Dress your baby boy in cute and comfortable jumpsuits and rompers. Our collection of easy 1-piece outfits is perfect for every occasion.

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Product image 1 of Baby American Flag Short-Sleeve Romper - Grey/Blue/Red
carters

Baby American Flag Short-Sleeve Romper - Grey/Blue/Red

Sale Price$10.00

Manufactured Suggested Retail Price$20*

20% Off Code: SUMMER20

Product image 1 of Baby 5-Pack Short-Sleeve Bodysuits - White
carters

Baby 5-Pack Short-Sleeve Bodysuits - White

Sale Price$15.60

Manufactured Suggested Retail Price$26*

Product image 1 of Baby American Flag Sleeveless Romper - Navy Blue
carters

Baby American Flag Sleeveless Romper - Navy Blue

Sale Price$10.00

Manufactured Suggested Retail Price$20*

20% Off Code: SUMMER20

Product image 1 of Baby 4-Pack Long-Sleeve Bodysuits - White
carters

Baby 4-Pack Long-Sleeve Bodysuits - White

Sale Price$15.60

Manufactured Suggested Retail Price$26*

Product image 1 of Baby Boy Dinosaur Short-Sleeve Romper - Brown
carters

Baby Boy Dinosaur Short-Sleeve Romper - Brown

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby Boy 'Mom's Happy Dude' Short-Sleeve Graphic Bodysuit - Grey
carters

Baby Boy 'Mom's Happy Dude' Short-Sleeve Graphic Bodysuit - Grey

Sale Price$7.00

Manufactured Suggested Retail Price$14*

Product image 1 of Baby Sports Short-Sleeve Romper - Ivory
carters

Baby Sports Short-Sleeve Romper - Ivory

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby 5-Pack Sleeveless Bodysuits - White
carters

Baby 5-Pack Sleeveless Bodysuits - White

Sale Price$15.60

Manufactured Suggested Retail Price$26*

Product image 1 of Baby Boy 'Future All-Star' Baseball Romper
carters

Baby Boy 'Future All-Star' Baseball Romper

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby Boy Car Waffle-Knit Sleeveless Romper - Blue
carters

Baby Boy Car Waffle-Knit Sleeveless Romper - Blue

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby 'Auntie Camp' Sleeveless Graphic Bodysuit - Blue/Ivory
carters

Baby 'Auntie Camp' Sleeveless Graphic Bodysuit - Blue/Ivory

Sale Price$6.00

Manufactured Suggested Retail Price$16*

Product image 1 of Baby Boy 5-Pack Dinosaur Short-Sleeve Cotton Bodysuits
carters

Baby Boy 5-Pack Dinosaur Short-Sleeve Cotton Bodysuits

Sale Price$18.00

Manufactured Suggested Retail Price$30*

20% Off Code: SUMMER20

Product image 1 of Baby Boy Shark Sleeveless Romper - Green
carters

Baby Boy Shark Sleeveless Romper - Green

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby Pufferfish Sleeveless Romper - Cream/Green
carters

Baby Pufferfish Sleeveless Romper - Cream/Green

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby Boy 'Surf Club' Short-Sleeve Romper - Navy Blue
carters

Baby Boy 'Surf Club' Short-Sleeve Romper - Navy Blue

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby Boy 4-Pack Long-Sleeve Multipack Raglan Bodysuits
carters

Baby Boy 4-Pack Long-Sleeve Multipack Raglan Bodysuits

Sale Price$18.00

Manufactured Suggested Retail Price$30*

20% Off Code: SUMMER20

Product image 1 of Baby Boy 5-Pack Construction Short-Sleeve Cotton Bodysuits
carters

Baby Boy 5-Pack Construction Short-Sleeve Cotton Bodysuits

Sale Price$18.00

Manufactured Suggested Retail Price$30*

20% Off Code: SUMMER20

Product image 1 of Baby Boy Shark Romper - Orange
carters

Baby Boy Shark Romper - Orange

Sale Price$8.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby Boy 4-Pack Dinosaur Print Cotton Long-Sleeve Multipack Bodysuits
carters

Baby Boy 4-Pack Dinosaur Print Cotton Long-Sleeve Multipack Bodysuits

Sale Price$18.00

Manufactured Suggested Retail Price$30*

20% Off Code: SUMMER20

Product image 1 of Baby Boy Polo Bodysuit - Navy Blue
oshkosh

Baby Boy Polo Bodysuit - Navy Blue

Sale Price$11.00

Manufactured Suggested Retail Price$22*

20% Off Code: SUMMER20

Product image 1 of Baby 'USA' Bubble Made with Organic Cotton
littleplanet

Baby 'USA' Bubble Made with Organic Cotton

Sale Price$16.00

20% Off Code: SUMMER20

Product image 1 of Baby Boy Whale Romper - Navy Blue
carters

Baby Boy Whale Romper - Navy Blue

Sale Price$8.00

Manufactured Suggested Retail Price$18*

20% Off Code: SUMMER20

Product image 1 of Baby Organic Cotton Gauze Overalls
littleplanet

Baby Organic Cotton Gauze Overalls

Sale Price$25.00

20% Off Code: SUMMER20

Product image 1 of Baby Boy Striped Waffle-Knit Romper - Blue
carters

Baby Boy Striped Waffle-Knit Romper - Blue

Sale Price$12.00

Manufactured Suggested Retail Price$20*

Product image 1 of Baby Striped Bodysuit - Red/Ivory
oshkosh

Baby Striped Bodysuit - Red/Ivory

Sale Price$12.00

Manufactured Suggested Retail Price$16*

Product image 1 of Baby Boy 3-Pack Organic Cotton Bodysuits
littleplanet

Baby Boy 3-Pack Organic Cotton Bodysuits

Sale Price$18.00

Product image 1 of Baby Boy 'Little Brother Energy' Short-Sleeve Graphic Bodysuit - Blue
carters

Baby Boy 'Little Brother Energy' Short-Sleeve Graphic Bodysuit - Blue

Sale Price$7.00

Manufactured Suggested Retail Price$14*

Product image 1 of Baby 'Mommy's Mini' Short-Sleeve Graphic Bodysuit - Cream
carters

Baby 'Mommy's Mini' Short-Sleeve Graphic Bodysuit - Cream

Sale Price$7.00

Manufactured Suggested Retail Price$14*

Product image 1 of Baby Boy Tropical Beach Short-Sleeve Romper
carters

Baby Boy Tropical Beach Short-Sleeve Romper

Sale Price$13.50

Manufactured Suggested Retail Price$27*

20% Off Code: SUMMER20

Product image 1 of Baby Beach Cruiser Chambray Sleeveless Romper
carters

Baby Beach Cruiser Chambray Sleeveless Romper

Sale Price$16.20

Manufactured Suggested Retail Price$27*

Product image 1 of Baby Boy 4-Pack Dragon Star Print Cotton Long-Sleeve Multipack Bodysuits - Blue/White/Green
carters

Baby Boy 4-Pack Dragon Star Print Cotton Long-Sleeve Multipack Bodysuits - Blue/White/Green

Sale Price$18.00

Manufactured Suggested Retail Price$30*

20% Off Code: SUMMER20

Product image 1 of Baby Boy 2-Piece Beach Overall Set - Black/Ivory
carters

Baby Boy 2-Piece Beach Overall Set - Black/Ivory

Sale Price$14.40

Manufactured Suggested Retail Price$36*

20% Off Code: SUMMER20

Product image 1 of Baby Umbro England Soccer Romper - Blue/Red
carters

Baby Umbro England Soccer Romper - Blue/Red

Sale Price$15.00

Manufactured Suggested Retail Price$24*

Product image 1 of Baby Boy Canvas Shortall - Olive
oshkosh

Baby Boy Canvas Shortall - Olive

Sale Price$16.00

Manufactured Suggested Retail Price$40*

20% Off Code: SUMMER20

Product image 1 of Baby 4-Pack Snack Time Long-Sleeve Multipack Bodysuits - Blue/White/Brown
carters

Baby 4-Pack Snack Time Long-Sleeve Multipack Bodysuits - Blue/White/Brown

Sale Price$18.00

Manufactured Suggested Retail Price$30*

20% Off Code: SUMMER20

Product image 1 of Baby Boy Striped Sleeveless Romper - Brown/White
carters

Baby Boy Striped Sleeveless Romper - Brown/White

Sale Price$8.00

Manufactured Suggested Retail Price$20*

20% Off Code: SUMMER20

Product image 1 of Baby Boy Beach Sleeveless Graphic Bodysuit - Ivory
carters

Baby Boy Beach Sleeveless Graphic Bodysuit - Ivory

Sale Price$7.00

Manufactured Suggested Retail Price$16*

Product image 1 of Baby Organic Cotton Chambray Shortall
littleplanet

Baby Organic Cotton Chambray Shortall

Sale Price$25.00

Product image 1 of Baby Boy 'Little Griller' Sleeveless Graphic Bodysuit - Coral
carters

Baby Boy 'Little Griller' Sleeveless Graphic Bodysuit - Coral

Sale Price$6.00

Manufactured Suggested Retail Price$16*

Product image 1 of Baby Boy Striped Short-Sleeve Romper - Black/Ivory
carters

Baby Boy Striped Short-Sleeve Romper - Black/Ivory

Sale Price$16.20

Manufactured Suggested Retail Price$27*

20% Off Code: SUMMER20

Product image 1 of Baby Team Captain' French Terry Jumpsuit - Navy Blue
carters

Baby Team Captain' French Terry Jumpsuit - Navy Blue

Sale Price$16.20

Manufactured Suggested Retail Price$27*

20% Off Code: SUMMER20

Product image 1 of Baby 'Sunshine Chaser' Sleeveless Romper - Blue
carters

Baby 'Sunshine Chaser' Sleeveless Romper - Blue

Sale Price$16.20

Manufactured Suggested Retail Price$27*

Product image 1 of Baby 2-Pack Organic Cotton Rompers in Pet Print
littleplanet

Baby 2-Pack Organic Cotton Rompers in Pet Print

Sale Price$25.00

20% Off Code: SUMMER20

Product image 1 of Baby Denim Shortalls - Blue
oshkosh

Baby Denim Shortalls - Blue

Sale Price$22.00

Manufactured Suggested Retail Price$36*

Product image 1 of Baby Boy Waffle-Knit Polo Romper - Turquoise
carters

Baby Boy Waffle-Knit Polo Romper - Turquoise

Sale Price$8.00

Manufactured Suggested Retail Price$20*

20% Off Code: SUMMER20

Product image 1 of Baby Boy 'Daddy's Hype Man' Short-Sleeve Graphic Bodysuit - Grey
carters

Baby Boy 'Daddy's Hype Man' Short-Sleeve Graphic Bodysuit - Grey

Sale Price$7.00

Manufactured Suggested Retail Price$14*

Product image 1 of Baby Seersucker Romper - Cream
carters

Baby Seersucker Romper - Cream

Sale Price$14.40

Manufactured Suggested Retail Price$36*

20% Off Code: SUMMER20

Product image 1 of Baby Boy Short-Sleeve Romper - Grey
carters

Baby Boy Short-Sleeve Romper - Grey

Sale Price$8.00

Manufactured Suggested Retail Price$18*

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© 2026 Carter’s, Inc. All rights reserved.

*EXCLUSIONS & DISCLAIMERS:

*UP TO 40% OFF: Savings based on MSRP or original ticketed price. Select Styles. Other exclusions may apply.

EXTRA 20% OFF WITH CODE: Offer valid online 5/6-5/15. One offer per customer per day. Cannot be used in combination with any other offers. Excludes clearance, doorbusters, Little Planet® and Skip Hop®. Select styles. Valid for merchandise only, not valid on gift card purchases, gift services, applicable taxes, shipping and handling charges, previous purchases or redeemable for cash. Other restrictions may apply. To see additional terms and conditions visit carters.com/couponpolicy.

UP TO 70% OFF CLEARANCE: Savings based on MSRP or original ticketed price.

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