Baby’s First Halloween: Adorable & Safe Costume Ideas for Little Ones

Written By: Susan Le

Date: Oct 17, 2025

Adorable & Safe Baby Costume Ideas Baby Halloween Safety Tips for First-Time Parents Cozy Ways to Celebrate Baby’s First Halloween A Halloween To Remember

Your baby’s first Halloween is a memory you’ll cherish for years, filled with giggles, tiny pumpkins, and sweet photo moments. For many first-time parents, it can also be a balancing act between wanting the perfect costume and keeping your little one comfortable and safe.

At Nest Designs, we believe babies don’t need itchy tutus or oversized costumes to join the fun. The coziest and safest Halloween looks often start with the pieces you already love, like our buttery-soft bamboo and organic cotton sleepwear. These breathable, gentle fabrics keep your baby warm without overheating so they can enjoy every moment of their first spooky season in comfort.

A baby sits inside a woven basket wearing a white romper with a playful fall print from Nest Designs. The baby has a white bow headband and is surrounded by soft, illustrated pumpkin and carrot props on a warm beige background, creating a cozy, autumn-inspired Halloween scene.

Adorable & Safe Baby Costume Ideas

Here are some easy, parent-approved baby Halloween costume ideas using Nest Designs favourites. They are simple to make, gentle on your baby’s skin, and perfect for capturing adorable memories.

These cozy costume ideas are perfect for baby’s first Halloween photos, family gatherings, or supervised indoor fun. If you’re heading outdoors, choose lighter layers like our rompers or footless sleepers and bundle baby in a stroller-safe bunting bag.

Please note: Sleep bags are not safe for car seats, carriers or strollers because it prevents proper harness use and can lead to overheating.

Little Pumpkin Dreamer

Long Sleeve Kimono Romper or Quilted Long Sleeve Romper in our Squish Squash print. Add a felt green “stem” on our Basics Baby Hat in Warm Taupe by hand stitching or using non-toxic fabric glue. Use a soft pumpkin plush as a prop. Bonus, if you can find it as a stroller toy.

Gentle Dino

Long Sleeve Footless Sleeper in Slate and attach fabric or felt “spikes” cut into triangles along the back. Add a small felt “tail” for the perfect finishing touch.

Sleepy Owl

Removable Sleeve Long Sleeve Sleep Bag in Slate. Add soft felt wings to the sides in cream and grey tones. Top with Basics Baby Knotted Hat and add on tufts made from felt.

Please note: This costume is meant for supervised indoor photos only

Toddler wearing a grey Nest Designs long sleeve sleep bag sits on a soft blue mat, styled as the Sleepy Owl with a matching taupe baby hat beside them — a cozy, bedtime-inspired Halloween look.

Little Ghost

Swaddle Sleep Bag in Antique White. Layer a soft, sheer white muslin or cotton fabric over the sleep bag to create a gentle ghostly look. You can cut rounded “wave” edges at the bottom for texture.

Safety tip: Never cover your baby’s face. Ensure fabric is lightweight, breathable, and doesn’t drag or restrict movement

Baby lying in a crib wearing a soft cream Nest Designs swaddle sleep bag, styled as the Little Ghost costume — a cozy, minimalist look perfect for baby’s first Halloween photos.

Bear Cub

Long Sleeve Romper in Warm Taupe with Basics Baby Hat in Warm Taupe. Add felt bear ears to the hat. Sew or glue simple “paw” shapes to the front of the romper for the perfect finishing touch.

Toddler wearing a taupe Nest Designs long sleeve romper sits on a soft blue blanket beside a woven basket, paired with a matching knotted baby hat — styled as the Bear Cub for a cozy, woodland-inspired Halloween look.

Baby Halloween Safety Tips for First-Time Parents

New parents often ask, “What’s safe for my baby to wear on Halloween?” Here are our top safety reminders so you can enjoy the fun with peace of mind.

1. Choose breathable layers

Babies can overheat easily. Choose lightweight fabrics like bamboo and organic cotton to help regulate temperature.

Close-up of bamboo stalks and cotton branches side by side, representing the breathable, natural fabrics used in Nest Designs products — ideal for keeping babies comfortable and safe on Halloween.

2. Skip face paint and masks

Even “baby-safe” products can irritate sensitive skin. Instead, use soft fabric accessories to add colour or detail.

Parent gently wipes a baby’s face with a soft white cloth, illustrating safe skincare and the importance of skipping face paint and masks for babies on Halloween.

3. Watch for loose parts

Avoid beads, sequins, ribbons, or anything that could detach or become a choking hazard.

Flat lay of baby essentials on a peach background, including socks, booties, a bottle, teether, and bonnet — highlighting small accessories parents should check for loose parts to keep babies safe on Halloween.

4. Keep baby visible

If you plan to go out in the evening, use light colours or add a small reflective tag to your baby’s outfit or stroller.

Two toddlers wearing soft Nest Designs basics in muted sage and twilight purple stand against a light background, illustrating how dressing babies in light or contrasting colors helps keep them visible and safe during Halloween activities.

5. Supervise closely

Keep your baby within arm’s reach at all times, especially in layered costumes or accessories.

Parent holds a toddler dressed in light Nest Designs pajamas while they look out a window together, illustrating the importance of close supervision and keeping babies within reach during Halloween activities.

Cozy Ways to Celebrate Baby’s First Halloween

You don’t need a big party or a neighbourhood full of trick-or-treaters to make Halloween special. These gentle, cozy ideas are perfect for first-time parents.

Father and child sit at a wooden table painting small pumpkins together at home. The child wears a witch hat and smiles while crafting, capturing a cozy family moment and gentle way to celebrate Halloween indoors.

Create an at-home pumpkin patch. Set up a small photo corner with pumpkins, plush toys, and soft blankets.
Enjoy a cozy family night. Slip into your favourite Nest Designs sleepwear, read a bedtime story, or share warm drinks together before lights out.
Start a storytime tradition. Choose baby-friendly Halloween books like Room on the Broom or Five Little Pumpkins.
Capture a keepsake moment. Take a photo of your baby in their Little Pumpkin Dreamer or Little Ghost look alongside a mini pumpkin or footprint keepsake.
Share gentle treats. For babies on solids, serve pumpkin or sweet-potato puree while parents enjoy their favorite fall snack.

Close-up of fresh pumpkin slices with seeds on a rustic wooden board, surrounded by autumn decor — representing gentle, baby-friendly Halloween treats like pumpkin or sweet potato puree.

A Halloween To Remember

Your baby’s first Halloween doesn’t need to be filled with frights or fuss. The sweetest memories come from the quiet, cozy moments with a soft costume, a pumpkin in hand, and the comfort of your little one snuggled close. Whether they’re a Little Pumpkin Dreamer or a sleepy Little Ghost, the best costume is one that keeps them safe, warm, and wrapped in love.

Family gathered around a wooden table decorated with large pumpkins, smiling and talking together in a cozy living room — capturing the warmth, connection, and simple joy of celebrating a baby’s first Halloween at home.

Nest Designs

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