Halloween Costumes & Accessories

☾ The GentleNest Halloween shop

A little spooky.
A lot adorable.

254 playful costumes for first trick-or-treats, school parades, family photos and every make-believe moment in between.

Choose their Halloween world See every costume
✦ 30-day returns ✦ Free shipping $39+ ✦ Sizes for little ones
Baby Halloween Romper with Star Tulle and Bow Headband Costume Baby Halloween Romper with Star Tulle and Bow Headband Costume Newborn Ghost and Pumpkin Romper Costume Newborn Ghost and Pumpkin Romper Costume Brown Lion Jumpsuit Costume for Toddlers Brown Lion Jumpsuit Costume for Toddlers

Pick a little world

Who will they be this Halloween?

Start with a favorite, then wander through all the costumes below.

Costume spotlight

Little looks to love right now

Ready for the full parade?

All Halloween costumes

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254 items

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  • Strawberry baby romper costume set with hood and striped stockings

    Baby Strawberry Romper Costume Set

    Baby Strawberry Romper Costume Set
    $45.99
    6-9M 9-12M 12-18M 0-6M
  • Yellow duck baby costume romper with hood and striped stockings

    Baby Duckling Romper Costume Set

    Baby Duckling Romper Costume Set
    $40.99
    0-6M 6-9M 9-12M 12-18M
  • Child wearing gray mouse costume set with hat, vest, shorts, gloves, and shoe covers

    Gray Mouse Animal Costume for Kids

    Gray Mouse Animal Costume for Kids
    $37.99
    M L XL
  • Baby caterpillar costume romper with hood and antennae, plus white stockings with black feet

    Colorful Caterpillar Baby Costume Set for Infants

    Colorful Caterpillar Baby Costume Set for Infants
    $51.99
    6-9M 9-12M 12-18M 0-6M
  • Owl themed baby costume set with hooded romper and striped socks

    Green Owl Baby Costume Set for Infants

    Green Owl Baby Costume Set for Infants
    $44.99
    6-9M 9-12M 12-18M 0-6M
  • Baby football-themed hooded romper costume with grey stockings

    Baby Football Romper Costume Set

    Baby Football Romper Costume Set
    $40.99
    0-6M 6-9M 9-12M 12-18M
  • Baby penguin hooded romper costume with yellow stockings

    Penguin Hooded Romper Costume Set for Babies

    Penguin Hooded Romper Costume Set for Babies
    $49.99
    6-9M 9-12M 12-18M 0-6M
  • Elephant romper costume set with hood and striped stockings for infants

    Elephant Romper Costume Set for Babies

    Elephant Romper Costume Set for Babies
    $43.99
    0-6M 6-9M 9-12M 12-18M
  • Pink flamingo baby romper costume with hood and striped stockings

    Baby Flamingo Romper Costume Set

    Baby Flamingo Romper Costume Set
    $55.99
    6-9M 9-12M 12-18M 0-6M
  • Pink baby animal romper costume set with hood and striped stockings
    Sold out

    Pink Animal Romper Costume Set for Babies

    Pink Animal Romper Costume Set for Babies
    $40.99
    0-6M 6-9M 9-12M 12-18M
  • Infant mouse romper costume set with hood and striped stockings

    Mouse Romper Costume Set for Infants

    Mouse Romper Costume Set for Infants
    $42.99
    6-9M 9-12M 12-18M 0-6M
  • Child wearing cow animal costume set with hat, vest, shorts, gloves, and shoe covers in milk white and black spots

    Cow Animal Costume for Kids

    Cow Animal Costume for Kids
    $37.99
    XL M L
  • Child wearing colorful rooster inflatable costume with attached legs and feet covers

    Colorful Rooster Inflatable Kids Costume

    Colorful Rooster Inflatable Kids Costume
    $64.99
    S M
  • Child wearing black and white panda animal costume set with hat, vest, shorts, gloves, and shoe covers

    Multiple Animal Costume for Kids

    Multiple Animal Costume for Kids
    $37.99
    L XL M
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Pale green Fruit Patch Bubble Romper with lemon patch

Mademoiselle Aurélie Romper

Mademoiselle Aurélie Romper
$17.99
1-3M 3-6M 6-9M 9-12M +1