Extra 20% off* select styles w/ code EXTRA20

Baby Boy One Pieces

258 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 Sports Short-Sleeve Romper - Ivory
carters

Baby Sports Short-Sleeve Romper - Ivory

Sale Price$9.00

Manufactured Suggested Retail Price$18*

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

Baby Boy 'Future All-Star' Baseball Romper

Sale Price$9.00

Manufactured Suggested Retail Price$18*

Product image 1 of Baby Beach Cruiser Chambray Sleeveless Romper
carters

Baby Beach Cruiser Chambray Sleeveless Romper

Sale Price$13.50

Manufactured Suggested Retail Price$27*

20% Off Code: EXTRA20

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 Shark Sleeveless Romper - Green
carters

Baby Boy Shark Sleeveless Romper - Green

Sale Price$9.00

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$6.00

Manufactured Suggested Retail Price$14*

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 Solid Sleeveless Romper - Green
carters

Baby Boy Solid Sleeveless Romper - Green

Sale Price$13.50

Manufactured Suggested Retail Price$27*

20% Off Code: EXTRA20

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 Boy Car Waffle-Knit Sleeveless Romper - Blue
carters

Baby Boy Car Waffle-Knit Sleeveless Romper - Blue

Sale Price$9.00

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$5.00

Manufactured Suggested Retail Price$16*

Product image 1 of Baby Boy Stripe Short-Sleeve Romper - Green/White
carters

Baby Boy Stripe Short-Sleeve Romper - Green/White

Sale Price$13.50

Manufactured Suggested Retail Price$27*

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$9.00

Manufactured Suggested Retail Price$18*

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

Baby Boy Striped Sleeveless Romper - Brown/White

Sale Price$10.00

Manufactured Suggested Retail Price$20*

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

Baby Boy Striped Waffle-Knit Romper - Blue

Sale Price$10.00

Manufactured Suggested Retail Price$20*

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

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

Sale Price$6.00

Manufactured Suggested Retail Price$14*

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$6.00

Manufactured Suggested Retail Price$14*

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$6.00

Manufactured Suggested Retail Price$14*

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

Baby Pufferfish Sleeveless Romper - Cream/Green

Sale Price$9.00

Manufactured Suggested Retail Price$18*

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

Baby Boy Waffle-Knit Polo Romper - Turquoise

Sale Price$10.00

Manufactured Suggested Retail Price$20*

Product image 1 of Baby OshKosh Logo Graphic Bodysuit - Ivory
oshkosh

Baby OshKosh Logo Graphic Bodysuit - Ivory

Sale Price$7.00

Manufactured Suggested Retail Price$16*

Product image 1 of Baby Boy 2-Piece Striped Overall Set - Brown
carters

Baby Boy 2-Piece Striped Overall Set - Brown

Sale Price$18.00

Manufactured Suggested Retail Price$36*

20% Off Code: EXTRA20

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$18.00

Manufactured Suggested Retail Price$36*

20% Off Code: EXTRA20

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*

Product image 1 of Baby Soccer Ball Graphic Bodysuit - Ivory
carters

Baby Soccer Ball Graphic Bodysuit - Ivory

Sale Price$5.00

Manufactured Suggested Retail Price$16*

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 'Trouble Maker' Short-Sleeve Graphic Bodysuit - Grey
carters

Baby Boy 'Trouble Maker' Short-Sleeve Graphic Bodysuit - Grey

Sale Price$5.00

Manufactured Suggested Retail Price$14*

Product image 1 of Baby Denim Shortalls - Blue
oshkosh

Baby Denim Shortalls - Blue

Sale Price$27.00

Manufactured Suggested Retail Price$36*

Product image 1 of Baby 2-Pack Organic Cotton Rompers in Aussie Friends
littleplanet

Baby 2-Pack Organic Cotton Rompers in Aussie Friends

Sale Price$25.00

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

Product image 1 of Baby 5-Pack Critter Multipack Bodysuits
carters

Baby 5-Pack Critter Multipack Bodysuits

Sale Price$20.40

Manufactured Suggested Retail Price$34*

Product image 1 of Baby Boy Desert Sleeveless Romper - Beige
carters

Baby Boy Desert Sleeveless Romper - Beige

Sale Price$10.80

Manufactured Suggested Retail Price$27*

20% Off Code: EXTRA20

Product image 1 of Baby Organic Cotton Waffle Knit in Stripes
littleplanet

Baby Organic Cotton Waffle Knit in Stripes

Sale Price$22.00

Product image 1 of Baby 2-Piece Beachy Van Shortall Set - Blue
carters

Baby 2-Piece Beachy Van Shortall Set - Blue

Sale Price$21.60

Manufactured Suggested Retail Price$36*

20% Off Code: EXTRA20

Product image 1 of Baby Boy 5-Pack Multipack Bodysuits
carters

Baby Boy 5-Pack Multipack Bodysuits

Sale Price$20.40

Manufactured Suggested Retail Price$34*

Product image 1 of Baby Organic Cotton Seersucker Gauze Shortalls
littleplanet

Baby Organic Cotton Seersucker Gauze Shortalls

Sale Price$27.00

Product image 1 of Baby Boy 2-Piece Canvas Short-Sleeve Romper Set - Khaki
carters

Baby Boy 2-Piece Canvas Short-Sleeve Romper Set - Khaki

Sale Price$14.40

Manufactured Suggested Retail Price$36*

20% Off Code: EXTRA20

Product image 1 of Baby Organic Cotton Gauze Embroidered Romper
littleplanet

Baby Organic Cotton Gauze Embroidered Romper

Sale Price$27.00

Product image 1 of Baby Boy Organic Cotton Lil' Bro Bubble
littleplanet

Baby Boy Organic Cotton Lil' Bro Bubble

Sale Price$16.00

Product image 1 of Baby Organic Cotton Waffle Knit Romper
littleplanet

Baby Organic Cotton Waffle Knit Romper

Sale Price$22.00

Product image 1 of Baby Romper Made with Organic Cotton in Stripes
littleplanet

Baby Romper Made with Organic Cotton in Stripes

Sale Price$20.00

Product image 1 of Baby 2-Pack Constellation PurelySoft Bodysuits - Yellow/Cream
carters

Baby 2-Pack Constellation PurelySoft Bodysuits - Yellow/Cream

Sale Price$20.00

Product image 1 of Baby Boy Canvas Shortall - Olive
oshkosh

Baby Boy Canvas Shortall - Olive

Sale Price$24.00

Manufactured Suggested Retail Price$40*

Product image 1 of Baby 5-Pack Western Multipack Bodysuits
carters

Baby 5-Pack Western Multipack Bodysuits

Sale Price$20.40

Manufactured Suggested Retail Price$34*

Product image 1 of Baby Boy 5-Pack Dinosaur Multipack Bodysuits
carters

Baby Boy 5-Pack Dinosaur Multipack Bodysuits

Sale Price$20.40

Manufactured Suggested Retail Price$34*

Product image 1 of Baby Boy Henley Short-Sleeve Bodysuit - Cream/Brown
oshkosh

Baby Boy Henley Short-Sleeve Bodysuit - Cream/Brown

Sale Price$18.00

Manufactured Suggested Retail Price$24*

Product image 1 of Baby Stretch Denim Classic Overalls - Dark Wash
oshkosh

Baby Stretch Denim Classic Overalls - Dark Wash

Sale Price$32.00

Manufactured Suggested Retail Price$42*

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

*EXCLUSIONS & DISCLAIMERS:

*UP TO 60% OFF: Savings based on MSRP or original ticketed price. Select Styles. Other exclusions may apply.

EXTRA 20% OFF WITH CODE: 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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