Skip to main content
Canada Français
Free Shipping on $50+ Orders | Free Pickup in Store
Sign in

Baby Boy One Piece & Rompers 175 Items

Sleeper NB-9M Sleeper NB-9M (84)
Romper Romper (68)
Jumpsuit Jumpsuit (23)
Bunting Bunting (2)
Romper Sets Romper Sets (2)
Jumper Jumper (1)
Clothing Size
Category
Type
Brand
Sleeve Length
Leg Length
Occasion
Colour
Shop Deals
Discount
FREE Store pick up at:
Choose Your Store

Filter

175 Items
Featured
Sort by
Availability
Free Store Pickup
Clothing Size
Category
Type
Brand
Sleeve Length
Leg Length
Occasion
Colour
Shop Deals
Discount
Sleeper NB-9M Sleeper NB-9M (84)
Romper Romper (68)
Jumpsuit Jumpsuit (23)
Bunting Bunting (2)
Romper Sets Romper Sets (2)
Jumper Jumper (1)

  • Promotions

    Use Code EXTRA10
    Baby Bee 2-Way Zip Cotton Sleeper, Baby Bee 2-Way Zip Cotton Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack 2-Way Zip Sleepers, Baby 2-Pack 2-Way Zip Sleepers,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack 2-Way Zip Cotton Blend Sleeper Pyjamas, Baby 2-Pack 2-Way Zip Cotton Blend Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack 2-Way Zip Cotton Sleeper Pyjamas, Baby 2-Pack 2-Way Zip Cotton Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Animal Print Zip-Up PurelySoft Sleeper Pyjamas, Baby Animal Print Zip-Up PurelySoft Sleeper Pyjamas, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Zip-Up PurelySoft Sleeper Pyjamas - Grey, Baby Zip-Up PurelySoft Sleeper Pyjamas - Grey, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Piece Striped Pelican 2-Way Zip Sleepers, Baby 2-Piece Striped Pelican 2-Way Zip Sleepers,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Textured 2-Way Zip Sleep & Play Pyjamas, Baby Textured 2-Way Zip Sleep & Play Pyjamas, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Button-Front Romper, Baby Button-Front Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack Zip-Up Sleeper Pyjamas, Baby 2-Pack Zip-Up Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Short-Sleeve Romper - Navy, Baby Short-Sleeve Romper - Navy,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Train 2-Way Zip Sleeper Pyjamas, Baby Train 2-Way Zip Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Dinosaur Print Jersey Short-Sleeve Romper - Blue, Baby Dinosaur Print Jersey Short-Sleeve Romper - Blue,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Construction Striped Cotton Short-Sleeve Romper - Yellow, Baby Construction Striped Cotton Short-Sleeve Romper - Yellow,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Solid PurelySoft Sleep & Play Pyjamas - Blue, Baby Solid PurelySoft Sleep & Play Pyjamas - Blue, Product badge
    add to favorite

  • Promotions

    New Arrival
    Baby Waffle Knit Short-Sleeve Romper - Green, Baby Waffle Knit Short-Sleeve Romper - Green,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Zip-Up PurelySoft Sleeper Pyjamas - Olive, Baby Zip-Up PurelySoft Sleeper Pyjamas - Olive, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Textured 2-Way Zip Sleeper Pyjamas, Baby Textured 2-Way Zip Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Gray Puppy Zip-Up Sleeper, Baby Gray Puppy Zip-Up Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Thermal Short-Sleeve Romper - Gray, Baby Thermal Short-Sleeve Romper - Gray,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Short-Sleeve Romper - Grey, Baby Short-Sleeve Romper - Grey,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Short-Sleeve Romper - Olive, Baby Short-Sleeve Romper - Olive,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Turtle 2-Way Zip Sleeper, Baby Turtle 2-Way Zip Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Little Brother 2-Way Zip Cotton Sleeper, Baby Little Brother 2-Way Zip Cotton Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack Cotton Rompers, Baby 2-Pack Cotton Rompers,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack Frog 2-Way Zip Sleepers, Baby 2-Pack Frog 2-Way Zip Sleepers,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Zip-Up PurelySoft Sleeper Pyjamas - Navy, Baby Zip-Up PurelySoft Sleeper Pyjamas - Navy, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Car Print Zip-Up PurelySoft Sleeper Pyjamas, Baby Car Print Zip-Up PurelySoft Sleeper Pyjamas, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Chambray Polo Romper, Baby Chambray Polo Romper,
    add to favorite

  • Promotions

    New Arrival
    Baby Airplane-Print Ribbed Short-Sleeve Romper - Cream, Baby Airplane-Print Ribbed Short-Sleeve Romper - Cream,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Dinosaur 2-Way Zip Thermal Sleeper Pyjamas, Baby Dinosaur 2-Way Zip Thermal Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Dinosaur Cotton Romper - Blue, Baby Dinosaur Cotton Romper - Blue,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Shark Hood Fastening Romper, Baby Shark Hood Fastening Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Dinosaur Striped Cotton Short-Sleeve Romper - Green, Baby Dinosaur Striped Cotton Short-Sleeve Romper - Green,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Aquatic Animals 2-Way Zip Cotton Sleeper, Baby Aquatic Animals 2-Way Zip Cotton Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Shark Print 2-Way Zip Terry Sleeper, Baby Shark Print 2-Way Zip Terry Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Piece Gingham Romper & Hat Set, Baby 2-Piece Gingham Romper & Hat Set,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Leaf Print Zip-Up PurelySoft Sleeper Pyjamas, Baby Leaf Print Zip-Up PurelySoft Sleeper Pyjamas, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Lion Striped Snap-Up Romper, Baby Lion Striped Snap-Up Romper,
    add to favorite

  • Promotions

    New Arrival
    Baby Fire Truck Short-Sleeve Romper - Blue, Baby Fire Truck Short-Sleeve Romper - Blue,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Striped Rhino 2-Way Zip Sleeper, Baby Striped Rhino 2-Way Zip Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack Cotton Rompers, Baby 2-Pack Cotton Rompers,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Crab Striped Cotton Blend Short-Sleeve Romper, Baby Crab Striped Cotton Blend Short-Sleeve Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Bear Hood Fastening Romper, Baby Bear Hood Fastening Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Safari Animal 2-Way Zip Sleeper Pyjamas, Baby Safari Animal 2-Way Zip Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack 2-Way Zip Sleepers, Baby 2-Pack 2-Way Zip Sleepers,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby "Chill Mood" Hooded Romper, Baby "Chill Mood" Hooded Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Palm Tree 2-Way Zip Sleeper, Baby Palm Tree 2-Way Zip Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Striped Hooded Romper, Baby Striped Hooded Romper,
    add to favorite
  • Best Seller
    Baby Organic Cotton Sleeper Pyjamas in Blue, Baby Organic Cotton Sleeper Pyjamas in Blue, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Polo Cotton Romper, Baby Polo Cotton Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Striped Walrus 2-Way Zip Sleeper Pyjamas, Baby Striped Walrus 2-Way Zip Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Palm Tree Cotton Romper, Baby Palm Tree Cotton Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Polo Cotton Romper, Baby Polo Cotton Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Way Zip Thermal Sleeper Pyjamas, Baby 2-Way Zip Thermal Sleeper Pyjamas,
    add to favorite
  • Online Only
    Baby Organic Cotton Striped Sleeper Pyjamas, Baby Organic Cotton Striped Sleeper Pyjamas, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Truck Print 2-Way Zip Cotton Sleeper Pyjamas, Baby Truck Print 2-Way Zip Cotton Sleeper Pyjamas,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Pirate Snap-Up Cotton Romper, Baby Pirate Snap-Up Cotton Romper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Panda 2-Piece Sleeper Pyjamas and Cap Set, Baby Panda 2-Piece Sleeper Pyjamas and Cap Set,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Fish Cotton Blend Romper - Grey, Baby Fish Cotton Blend Romper - Grey,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Solid Cotton Romper - Blue, Baby Solid Cotton Romper - Blue,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Dog Short-Sleeve Romper , Baby Dog Short-Sleeve Romper ,
    add to favorite
  • Best Seller
    Baby Organic Cotton Sleeper Pyjamas, Baby Organic Cotton Sleeper Pyjamas, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Brown Rhino Snap Up Sleeper, Baby Brown Rhino Snap Up Sleeper,
    add to favorite
  • Online Only
    Baby Organic Cotton Rib Sleeper Pyjamas in Stripes, Baby Organic Cotton Rib Sleeper Pyjamas in Stripes, Product badge
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby 2-Pack Cotton Rompers, Baby 2-Pack Cotton Rompers,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Fire Truck 2-Way Zip Sleeper, Baby Fire Truck 2-Way Zip Sleeper,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Animal Print 2-Way Zip Thermal Sleeper Pyjamas, Baby Animal Print 2-Way Zip Thermal Sleeper Pyjamas,
    add to favorite
  • Baby Organic Cotton Sleeper Pyjamas in Pink, Baby Organic Cotton Sleeper Pyjamas in Pink, Product badge
    add to favorite

  • Promotions

    New Arrival
    Baby Waffle Knit Short-Sleeve Romper - Blue, Baby Waffle Knit Short-Sleeve Romper - Blue,
    add to favorite

  • Promotions

    Use Code EXTRA10
    Baby Animal Print 2-Way Zip Cotton Sleeper, Baby Animal Print 2-Way Zip Cotton Sleeper,
    add to favorite

  • Promotions

    New Arrival
    Baby Organic Cotton Safari-Print Sleeper, Baby Organic Cotton Safari-Print Sleeper, Product badge
    add to favorite
  • 72 of 175
    Show more products
join now
© 2025 Carter’s, Inc. All rights reserved.

*EXCLUSIONS & DISCLAIMERS: 

DEALS DAY (Online Only): Get an extra 10% off your order of $50+ with code EXTRA10. Excludes New Arrivals, Little Planet®, Skip Hop, Snowpants & Splashpants. Prices as marked. Savings based on original retail price. Valid through 4.2.2025

SPRING FORWARD SALE Up to 50% off: Select styles. Excludes New Arrivals, Little Planet®, Skip hop®, Columbia®, Sorel®, Footwear, Socks & Underwear, Accessories, My First Love®, Little Collections, Licensed Character Clothing, Snowpants & Splash Pants. Savings based on original retail price.

DOORCRASHERS $8 and Up: While supplies last. Prices as Marked. Savings based on the original retail value.

CLEARANCE: Prices as Marked. Savings based on original retail price.