Best Halloween Boys Costumes in 2026

San-X Authorized and Licensed Korilakkuma Kigurumi produced by the original Japanese brand SAZAC: Don’t fall for copycat imitations! SAZAC is Japan’s most successful Kigurumi manufacturer, unmatched in both quality and design. Our onesies feature symmetrical faces, professional stitching, thicker fabric and rich, vibrant colors. Adults Kigurumi are One-Size-Fits-All. They are made to be loose fitting and will fit anyone at least five feet tall. XL size is for those 6 feet tall and beyond.

Ultimate Loungewear: Thanks to their relaxed fit, slipping on a Kigurumi is like diving into a pajama paradise! Enjoy a midday nap, binge-watch movies or just lounge in style, because once you throw on the warm, cozy hood, you’re all set to enjoy some me-time.

Stress-Free Costume: Whether it’s Halloween or you’re headed for the club dressed in your best, our Kigurumi onesies double as no-hassle costumes! With a quick and easy button-up design, you can wear it over normal, boring clothes for versatile convenience.

COSTUME INCLUDES: Our Stay Puft Marshmallow Man Costume for infants and newborns comes with a fiberfill stuffed shirt and pants, a blue sailor collar with attached red neckerchief, and a hood headpiece with attached Stay Puft sailor cap and ribbon.

FROM FUN COSTUMES: We take Halloween costumes seriously and we're proud to offer an epic selection of costumes for the most popular characters from TV, movies, and more. We love cult classic movies as much as you do, which is why we're excited to team up with Columbia Pictures to offer our line of licensed Ghostbusters Costumes.

AUTHENTIC DESIGN: We crafted this Stay Puft Costume infant outfit to recreate the unforgettable look of the Ghostbusters movie monster. It features plush stuffing to look like a marshmallow body and with details like a Stay Puft hat and a sailor collar with a necktie your kiddo will look just like a pint-sized version of the monster.

Officially licensed in partnership with Marvel Comics, look for Marvel and Rubie's trademark on label and packaging to help insure you've receive authentic item

Child's red and blue Spider-Man costume jumpsuit with attached shoe-covers and fabric mask

Important: Costumes are sized differently than apparel, use the Rubie's Child Size Chart image, do not choose based on child's age or clothing size

THE WORLD OF LEGO NINJAGO COMES TO LIFE: LEGO has been a popular kids’ brand for generations. One of their hottest toy lines right now, spawning countless movies and TV series is Ninjago. Your kid can bring their Spinjitsu adventures to life with this LEGO Ninjago long sleeve hooded t-shirt and drawstring pants set.

POPULAR CHARACTER COSTUMES: Your kid can impress on the playground by repping their favorite Ninjago character. They can train as green, red, black, white, or blue ninjas.

PREMIUM DURABLE AND COMFORTABLE MATERIAL: It goes without saying boys will be wearing these immersive outfits pretending to tear around the Monastery of Spinjitsu. They’ll do so in a breathable cotton/polyester blend that’s tough enough for any activity.

Size: 4T

COSTUME INCLUDES: Get your toddler into the ghost business this Halloween with this Ghostbusters Costume for kids! It comes with the iconic Ghostbusters jumpsuit complete with a Ghostbusters logo patch and interchangeable name badges. It also comes with an child proton pack backpack with adjustable straps and attached wand.

FROM FUN COSTUMES: We take Halloween costumes seriously and we're proud to offer an epic selection of costumes for the most popular characters from TV, movies, and more. We know kids love to roleplay as their favorite movie heroes, which is why we were excited to team up with Columbia Pictures to make our Ghostbusters Costumes for kids.

REAL HARRY POTTER GEAR - Whether for dress-up or as a Halloween costume, any excuse will do to get into the Hogwarts spirit

MORE THAN AN AVERAGE HARRY POTTER ROBE - This is part of your child's official wizard in training gear

FEATURES FULL TWILL MATERIAL - Includes a shiny satin hood lining and a detailed felt Gryffindor patch

PLAYTIME FUN - Bring the transformer fan of the beloved bumblebee to life with this 3D costume from Disguise. Imagine the world of dress up, halloween and playtime filled with fun with this costume.

OFFICIAL COSTUME - The muscle-bound jumpsuit and mask are inspired by the character from the movies, making this costume for kids sure to delight your transformers fan.

HALLOWEEN FUN - Transform your little one into a favorite hero for trick-or-treating with this Bumblebee Classic Muscle Costume. Your kiddo with impress with this muscle 3D costume.

OFFICIALLY LICENSED KIDS CHUCKY COSTUME - Toddler size chucky costume overalls so you can be the most terrifying talking doll of all time!

AUTHENTIC KIDS CHUKY OUTFIT FOR TODDLERS - Outfit includes detailed jumpsuit and attached long sleve shirt designed to look just as creepy as Chucky in the movies

COMFORTABLE CHILD SIZE CHUCKY COSTUME - This kids Halloween costume is made of soft, breathable material that is safe and comfy to wear at home or with friends

Child's Deluxe Captain America muscle-chest costume jumpsuit and fabric mask

Boot-tops and belt part of the jumpsuit printing; shield available separately

READ BEFORE BUYING: See Rubie’s size chart; costumes are sized different from clothes and vary by design/style; do not choose based on age or clothing size

OFFICIALLY LICENSED KIDS CHUCKY COSTUME - Kids size Chucky costume overalls and mask so you can be the most terrifying talking doll of all time!

AUTHENTIC KIDS CHUKY OUTFIT - Chucky costume includes detailed jumpsuit and attached long sleeve shirt and a half mask designed to look just as creepy as Chucky in the movies

COMFORTABLE CHILD SIZE CHUCKY COSTUME - This kids Halloween costume is made of soft, breathable material that is safe and comfy to wear at home or with friends

OFFICIALLY LICENSED KIDS MICHAEL MYERS COSTUME - Costume overalls with Kids Michael Myers mask so you can be the most feared scary movie character ever!

AUTHENTIC MICHAEL MYERS COSTUME JUMPSUIT - Outfit includes jumpsuit and mask designed to look just as creepy as Michael Myers in the movies - accessorize it with our costume knife

COMFORTABLE CHILD SIZE MICHAEL MYERS COSTUME - This kids Halloween costume is made of soft, breathable material that is safe and comfy to wear at home or with friends

【Includes】The Fourth Hokage Cloak *1, Headband *1. Necklace *1, Metal Dart *1.

【Anime Cloak】Made of polyester, machine washable, easy to care for.

【Metal Dart】The dart made of metal, has a smooth surface.

Officially licensed Pokémon Mewtwo Kigurumi produced by the original Japanese brand SAZAC: Don’t fall for copycat imitations! SAZAC is Japan’s most successful Kigurumi manufacturer, unmatched in both quality and design. Our onesies feature symmetrical faces, professional stitching, thicker fabric and rich, vibrant colors. This size, 51 in (130cm), is best for 5 to 9 year olds. This measurement is taken from the top of the hood to the ankle cuff.

Ultimate Loungewear: Thanks to their relaxed fit, slipping on a Kigurumi is like diving into a pajama paradise! Enjoy a midday nap, binge-watch movies or just lounge in style, because once you throw on the warm, cozy hood, you’re all set to enjoy some me-time.

Stress-Free Costume: Whether it’s Halloween or you’re headed for the club dressed in your best, our Kigurumi onesies double as no-hassle costumes! With a quick and easy button-up design, you can wear it over normal, boring clothes for versatile convenience.

THE WORLD OF LEGO NINJAGO COMES TO LIFE: LEGO has been a popular kids’ brand for generations. One of their hottest toy lines right now, spawning countless movies and TV series is Ninjago. Your kid can bring their Spinjitsu adventures to life wearing a LEGO Ninjago t-shirt for boys with an action-packed pastiche of scene panels featuring the popular Red Ninja, Kai.

POPULAR CHARACTER T-SHIRT: Your kid can impress on the playground repping their favorite Ninjago character, Kai, the Red Ninja.

PREMIUM DURABLE AND COMFORTABLE MATERIAL: It goes without saying boys will be wearing this t-shirt with dynamic graphics pretending to tear around the Monastery of Spinjitsu. They’ll do so in a breathable 100% cotton that’s tough enough for any activity.

Size: X-Large

COSTUME INCLUDES: This Kid's Captain Underpants Costume comes with a Captain Underpants jumpsuit that features flesh toned fabric and attached white underwear! It also includes a red cape with black spots and a molded plastic Captain Underpants mask.

FROM FUN COSTUMES: We take costumes seriously and we're proud to offer an epic selection of costumes for the most popular characters from TV, movies, and more. We love animated movies as much as you do, which is why we were excited to team up with Dreamworks to produce this Captain Underpants Costume for kids.

👾SW Costume Included: 3PCS, JUMPSUIT + CLOAK + Latex HELMET. Printed belt and bandolier, digitally printed deluxe costume, exquisite workmanship.

👾Feature: The kids cosplay boba fett costume, tops with zipper and pants with elastic waists, complete with latex helmet and a detachable cape. The zip on the back of this black series jumpsuit makes it easy to put on and take off without lagging.

👾Material: Polyester,spandex, latex. Soft fabirc uniform and safe breathable helmet mask. Hand or machine washing, will not be fade or deform.

Size: Large

COSTUME INCLUDES: This Disney's The Little Mermaid Sebastian Costume for kids includes a jumpsuit, a shell piece, a tunic, a headpiece, a pair of shoe covers, and a pair of mitts.

FROM FUN COSTUMES: Halloween costumes are what we do and we're very excited to team up with Disney to make outfits based on all of their best movies. Kids always love Disney's The Little Mermaid and now your child can roleplay as the one and only Sebastian with our kid's Sebastian outfit.

【High-quality Materials】This wizard school tie is made of high-quality polyester fabric, which is soft and won't hurt the skin. The colors are vibrant and won't fade with frequent washing.

【Unique Design】The wizard school tie perfectly reproduces the design of movie props, and the design of stripes and badges make the tie look very vivid and individual.

【Perfect Creativity】This is the perfect idea if you don't know how to present yourself at a party. Our wizard school ties look like real props. Suitable for all kinds of party wear, but also can be used for daily wear.

1. PERFECT FIT: Our size chart offers S, M, and L sizes for kids. Be sure to check your size and contact us if you need help picking the right one.

2. PREMIUM QUALITY: Made of high-quality cotton, our superhero costumes are soft, wrinkle-resistant, and retain their shape, ensuring comfort and durability for your little hero.

3. BECOME YOUR HERO: Our complete ant men outfit will transform your child into their favorite superhero from movies and comics, perfect for cosplay, Halloween, and fancy dress parties.

Package Included : Jumpsuits + waistband + mask, Game costume outfit is made of high quality polyester, Soft, breathable.

Great Game Costume: The halloween game costume is very distinctive and highly recognizable, completely restore your favorite character's costume in the movies.

Occasion: The villain red game jumpsuit is perfect for making fun dressing up to the comic con, cosplay show, Halloween, costume party.

【Sizes 】S-L are suitable for children 4-14Years old.

【Material】Polyester wrinkle-resistant, durable, comfortable, colorfast, hand or machine washable, so your kids can wear them all day long.

【Includes】Hooded Cape+Jumpsuit+ Shoes.