Pajama Day
Stay cozy and stylish for school spirit week or themed parties.
Pajama Day is a beloved school spirit week tradition and a popular theme for cozy parties. People choose this look because it is incredibly comfortable, easy to put on, and highly customizable. The classic look consists of matching pajama sets, playful animal onesies, or themed sleepwear paired with cozy slippers and fun accessories.
- Difficulty
- Easy
- Time
- ~10 min
- Budget
- $15–50
Try it on
See yourself as Pajama Day
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40 Pajama Day costume ideas
Ranked by how many people are searching for them this season. Open any one for the full guide and to try it on.
KPop Demon Hunters Costume
Unleash your inner pop star and demon hunter with Rumi's iconic look.
The Lorax Costume
Speak for the trees in this vibrant, cozy orange and yellow look.
Harley Quinn Costume
Unleash your inner anti-hero with Harley's iconic red and blue look.
Harley Quinn and Joker Costume
Gotham's most chaotic power couple is ready to steal the show.
Minions Costume
Bello! Bring the chaotic, banana-loving fun to life.
Witch Costume
Cast a spell with a timeless, enchanting classic.
Poison Ivy Costume
Embody Gotham's seductive eco-villain with vibrant greens and ivy leaves.
Wednesday Addams Costume
Channel your favorite gothic icon with a sharp, classic monochrome look.
Rumi Costume
Channel the fierce leader of Huntrix with this K-pop demon hunter style.
Catwoman Costume
Steal the spotlight in Gotham's sleekest, most iconic anti-hero look.
Pirate Costume
Unleash your inner swashbuckler with this classic, customizable seafaring look.
Barbie and Ken Costume
Step into a neon world as the ultimate, fashion-forward plastic duo.
Vampire Costume
Embrace the night with a classic, timeless gothic look.
Ken Costume
Bring the ultimate Kenergy with this iconic Western look.
Scar Costume
Be prepared to rule the Pride Lands in villainous style.
Ghostface Costume
Rule the night as the ultimate Woodsboro slasher.
Michael Myers Costume
Embody the silent, unstoppable shape of Halloween night.
Joker Costume
Unleash your inner agent of chaos in style.
The Joker Costume
Embrace the chaos with the ultimate Gotham villain look.
Spider-Man Costume
With great style comes great responsibility.
Batman Costume
Step out of the shadows as Gotham's legendary Dark Knight.
Wonder Woman Costume
Unleash your inner warrior with the ultimate Amazonian look.
Padmé Amidala Costume
Step into the Star Wars galaxy as Naboo's courageous senator.
Labubu Costume
Bring Pop Mart's most mischievous, lovable monster to life.
Starfire Costume
Channel your inner Tamaranian princess with this vibrant superhero look.
Dog Costume
Unleash your inner pup with this easy, comfortable classic.
Pennywise Costume
Float down here with this screen-accurate, terrifying killer clown look.
Nightwing Costume
Step out of Batman's shadow in this sleek vigilante look.
Freddy Krueger Costume
Bring the ultimate dream-stalking nightmare to life this Halloween.
Little Red Riding Hood Costume
Journey through the woods in this timeless, enchanting fairytale look.
Daphne Blake Costume
Solve mysteries in style with Daphne's retro 1960s purple look.
Chucky Costume
Channel your inner killer doll with Chucky's iconic striped look.
Prisoner Costume
The ultimate classic jailbird look that is incredibly easy to style.
Alice Costume
Bring the magic of Wonderland to life with this iconic blue dress.
Ladybug Costume
A bright, cheerful, and easy-to-wear costume perfect for any occasion.
Clown Costume
Bring the circus to life with vibrant patterns and classic comedy.
Strawberry Shortcake Costume
Bring sweet 1980s nostalgia to life with this classic berry look.
Scarecrow Costume
Bring rustic autumn charm to life with a classic scarecrow look.
Alvin and the Chipmunks Costume
Bring the musical chipmunk trio to life with simple, colorful hoodies.
Harry Potter Costume
Step into the wizarding world with the iconic Gryffindor uniform.
What you need for a Pajama Day costume
Matching Pajama Set
A classic two-piece button-up pajama set in flannel, silk, or cotton with traditional plaid, stripes, or fun patterns.
DIY: Use any matching sweatpants and sweatshirt combo you already own.
Animal Onesie
A plush, full-body hooded utility suit styled like a popular animal, such as a panda, dinosaur, or unicorn.
Cozy Slippers
Plush slip-on slippers, novelty animal paw slippers, or comfortable slide sandals worn with thick socks.
DIY: Wear thick, colorful crew socks if you do not have slippers.
Sleep Mask
A satin or plush padded sleep mask worn pushed up on the forehead as a playful accessory.
DIY: Cut a mask shape out of felt and attach an elastic band.
Plush Stuffed Animal
A classic teddy bear or favorite plush toy to carry around as a prop.
DIY: Use any stuffed animal you already have at home.
How to put it together
- 1
Select your base pajama style, choosing either a classic matching two-piece set or a cozy animal onesie.
- 2
Put on a pair of thick, comfortable socks to keep warm, especially if wearing slides or open-back slippers.
- 3
Slip into your plush slippers or novelty animal paw slippers.
- 4
Place the sleep mask over your forehead, resting just above your hairline.
- 5
Style your hair in a relaxed, 'just woke up' fashion, such as a messy bun or bedhead look.
- 6
Grab your favorite plush stuffed animal to carry under your arm to complete the cozy aesthetic.
Makeup & hair
Keep makeup minimal or completely natural for a fresh-faced, 'just woke up' look. Style hair in a relaxed messy bun, loose ponytail, or tousled bedhead.
Pajama Day for couples, groups, kids & more
- couples
- Coordinate with matching flannel patterns or complementary animal onesies (like a lion and a lamb).
- group
- Have everyone wear different colorful animal onesies for a vibrant, cozy group photo.
- kids
- Perfect for school spirit week; choose flame-resistant fleece sets or character-themed footie pajamas.
- Plus size
- Onesies and oversized flannel sets offer an incredibly comfortable, relaxed, and size-inclusive fit.
- pet
- Dress your dog in a lightweight, matching canine pajama shirt or fleece onesie.
Tips
- If wearing this to school or work, ensure the pajamas comply with the dress code (avoid overly sheer fabrics or low necklines).
- Wear a lightweight t-shirt and shorts underneath onesies so you can easily cool down if you get too warm.
- If walking outdoors, swap soft-soled slippers for sturdy slip-on shoes or sneakers to protect your feet.
- Keep props simple; a small stuffed animal is easy to carry around all day without becoming a hassle.
Pajama Day costume FAQ
- What should I wear for Pajama Day at school?
- A matching flannel pajama set, a clean sweat suit, or a fun animal onesie paired with cozy slippers are all excellent, school-appropriate choices.
- Can I wear slippers outside for Pajama Day?
- It is best to wear slippers with hard rubber soles if you plan to walk outside, or wear comfortable slip-on sneakers with cozy socks instead.
- How do I style my hair for Pajama Day?
- Go for a casual, effortless look like a messy bun, a loose ponytail, or naturally tousled bedhead to match the sleepwear theme.
Did you know? While Pajama Day is a staple of school spirit weeks, it gained pop culture fame in 2022 as the title of the Season 25 premiere episode of the animated show South Park.