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.

Halloween Ninja Costume for Boys and Girls Includes Ninja Black Shirt with Attached Hood, Black Pants, Red Tabard, Ninja Face Mask, Belt, Ninja Gloves, 2 Foam Ninja Daggers, 2 Wrist Bands,and other foam accessories.

Role-Paying Ninja Warrior Kid Kung Fu Uniform. Super Durable. Superior Quality. The costume is soft, comfortable, and easy to move around in.

Ideal for Role Play. Perfect for Halloween Dress Up Parties, Ninja Turtle Costume, Shinobi Costume, Ninja Gaiden Black Costume, Klyo Ren Costume, Japanese Costume, Festivals, Theme Party Costumes, Best Halloween Costume, Photo Shoot, Pretend Play Party Favors, Ninja Party Supplies, Daily Wear, School Play, and More.

WOOF WOOF: Underwraps brings you the most adorable puppy costume for Halloween, parties, dress-up and even fun photo shoots. Your little puppy lover will look so cute they won't want to take it off.

SOFT AND CONVENIENT: Soft swirl design plush body, with velcro closures. Easy to pull up for effortless diaper changing.

DETAILED HOOD: Complete your look with the adorable detailed plush hood. Who can resist those puppy dog eyes and droopy ears?

Cosplay Outfit Includes: 1*Kimono coat, 1*Cape, 1*belt, 1*belt rope, 2*Leg cover, 1*Headdress, 1*mouthpiece

Materials: Thick polyester fiber fabric. Soft, breathable and comfortable to wear. It won't fade, won’t ball. Can be washed in cold water both by machine or hand.

Occasions: Our role play costume for boys and men is perfect for comic conventions, carnival, christmas cosplay, role playing, theme party, dress up, birthday party, photography, performance, etc.

REAL HARRY POTTER GRYFFINDOR ROBE - This well made Halloween costume is a great way for your wizard to get into the Hogwarts spirit

ABOVE AVERAGE YOUTH HOGWARTS ROBES - This is a kids Gryffindor themed costume robe with matching patch and house colors

FEATURES A FULL TWILL ROBE - Including a hood, a shiny red satin lining and an embroidered Gryffindor patch

Aodai Unique design - including headwear and Costumes, with a zipper for a more convenient fit. Compatible with superhero cosplay costumes, making you vivid like a character at a Halloween party. Such cool clothes will definitely make your child irresistible.

Aodai Costume Size---Our children Halloween Costume has 4 sizes XSmall (4T), Small (5T), Medium (6T), Large (7/8), XLarge (9/10) --- please refer to the size of the last image before ordering to ensure the correct size. Suitable for boys and girls.

Material---Polyester Lycra fabric, flexible, exquisite workmanship, 100% brand new. We work very well and will definitely satisfy you.

PLEASE NOTE go up a size if you are heavier or stronger. SIZE(base on height) S: 39"--47"(100cm--120cm); M: 47"--51"(120cm--130cm); L: 51"--55"(130cm--140cm); XL: 55"--59"(140cm--150cm)

Unisex for Girl and Boy,Good Stretchy and Breathable.

Zipper in the back,easy to wear and take off.

★DESIGN & STYLE: One Fancy boys tails coat! Unique gothic steampunk tailcoat uniform for kids. Real pockets, knee length frock coat, lapel collar, button up, long sleeve, full lining, solid color, long coat costume, swallow tail, 17 round gold metal buttons are decorated on sleeve cuff, collar, back waist and side flap pockets, exquisite vintage aristocrat style. This victorian warlock jackets will bring a fashionable touch to your kids look and will definitely suit all styles and seasons.

★MUST HAVE HALLOWEEN COSTUMES FOR BOYS: A perfect tuxedo jacket coats for renaissance-themed & rock party, Halloween costume, cosplay, masquerade, steampunk planning meeting, horror picture show, dancing party, nightclub fashion show, casual, wedding, school play, comic con, photo shoot etc, colonial costume fancy dress up, etc. You will stand out in the crowds with it. Best victorian frock coat uniform Jackets for boys/kids/children.

★MATERIAL: Our children’s steampunk outfits is made of high quality Rayon and Polyester, soft, lightweight and comfy for skin. Excellent workmanship, each medieval jacket suit is carefully hand-made by experienced dressmakers. And makes you more attractive and charming.This jacket is suitable for boys aged 6-14.

【Suitable Size】S(3-4 years old);M(5-6 years old);L(7-8 years old)XL(9-10 years old)（If your child is stronger or taller, it is recommended to take a size up. Please choose the size you need based on the chest,shoulder,sleeve and suggest height in the chart,recommended age can be only for reference） Helmet:20.1” x 13”. Backpack:10.8” x 11.2”.

【Comfortable Material】100% fabric.It is soft enough for your kids to have a good touch and is friendly to your kids skin.We constantly update and modify the design of the zipper to bring a better close-fitting experience

【Astronaut Costume Package】3 Pack.1xHelmet + 1xJumpsuit +1x Backpack(Please noticed that there is no zipper on the backpack)

Kids Striped T-Shirt - This T-Shirt Features Crew Neck, Short Sleeves, and Striped Design. This T-shirt is Suitable for Summer, Casual Wear, School for Your Children. Pair with Jeans for a Casual Look.

Halloween Costume- This Striped Shirt is Also Perfect for Where's Waldo Costumes, and You Can Also Dress Up As a Bumble Bee, Prisoner, Bank Robber, or Sailor for Halloween.

Black White Striped Shirt - To Complete Pugsley Addams's Look You Can Pair with the Black Striped Shirt with Black Shorts for Your Little Boy to Halloween Party. You Can Also Dress Up Your Girl with This Striped Shirt and Black Suspender Shorts or Skirts as a Mime Artist.

COSTUME INCLUDES: This Black Bat Costume is a fleece jumpsuit with an attached faux fur hood and fabric wings.

COSTUME INCLUDES: This Black Bat Costume is a fleece jumpsuit with an attached faux fur hood and fabric wings.

FROM FUN COSTUMES: We love costumes! But, even more than that, we want to know that you and yours are having a great experience our Made by Us costumes. Our Child Fleece Bat Jumpsuit is a comfy and cute costume designed to do just that.

Children's Costume You will get a eye-catching and funny children's unicorn onesie.Let your kids wear it, she will be the highlight of all occasions.

Perfect design The Designs of unicorn hood with eyes, teeth, and nose for full effect. Front zipper/button design, Back zipper design,easy to go to toilet.

Good Material Children's unicorn onesie are made of flannel fabrication, it's light, warm and comfortable, exquisite workmanship, 100 percent brand new.The quality of the clothes is very good ,it will definitely make you satisfied.

This Halloween Vampire Dracula Set includes a unisex black red reversible cape and tattoo scar. Suitable for kids above 36 months

Unisex Vampire costume. Super Durable. Superior Quality. 100% Polyester.

Super Value Pack for Role Play. Perfect for Halloween Dress Up Parties, Festivals, Dracula Theme Party Costumes, Vampire Costume, Transylvania Costume, Broadway Costume, Gothic Costume, Count Costume, Scary Goth Bat Vampire Costume, Ripper Costume, Unisex Vampire Costume, Teen vampire costume, Twilight Dress Up Party Costume, Vampire Diaries Costume, Scary Medieval Lord Halloween Costumes for Adults and More.

Includes Day of the Dead Bride Costume, Black, with Dress & Rose Veil

Bust 44-46" / Waist 36-38" / Hip 47-49" / Leg Inseam 33.75"

Our dedicated in-house Safety team ensure that all of our products are manufactured and rigorously tested to comply with the latest EU and American Safety standards and regulations.

PACKAGE INCLUDES: 1 wings, 1 tail, 1 mask, 1 jumpsuit - extra large children size 14-16

VIBRANT DESIGN: Spread your wings and show how powerful you are as you wear this vibrant dragon costume that features a blue jumpsuit with a tail and printed scale design, big blue wings, and a beastly dragon's mask

SUITABLE FOR ANY OCCASION: You can wear this costume at kid's parties, costume parties, birthdays, dress-ups, stage plays, Halloween, or any other themed parties

【Children Onesie】You will get a funny yellow mouse children's onesie.Let your kids wear it, she/he will be the highlight of all occasions.

【Perfect Design】The Designs of the Cartoon Animal onesie with eyes, mouth, ear and nose for full effect. Front button design, Back zipper design,easy to go to toilet.

【Good Material】Children's onesie are made of flannel fabrication, it's light, warm and comfortable, exquisite workmanship, 100% brand new.The quality of the clothes is very good ,it will definitely make you satisfied.

👑100% Polyester, Version is too small, refer to the size table. If it just meets the code size, it is recommended to choose a larger size

👑Suitable for Toddler Kids Boys Aged. S suggest 3-4 Years; M suggest 4-5 Years; L suggest 6-7 Years; XL suggest 7-8 Years.

👑Charming Prince Costume Includes: Tops, Pants, Belt and a Crown with jewels

Kids Ninja Costumes: 11 Pieces Total Boys Ninja Costume with abs Muscles for Kids.

4 sizes for kids age of Small ( 3 – 4 Y), Medium ( 4 – 6Y ) , L( 7- 9Y ) , XL( 10 - 12 Y). Perfect for Ninja Themed Parties, Halloween Costume Dress Up, Ninja Role Playing, Birthday Party, Christmas Party, Activity, Everyday Play and More! Transform your little one into a Ninja not just for Halloween but for school plays and themed birthday parties.

Costume Kids Deluxe Costume Set. Super Durable. Superior Quality. Nice Polyester, comfortable to wear.

Design: This joker costume for kids features a fake two-piece design, short waistcoat within long coat, can show off your perfect body better. The tuxedo jacket coats for boys features lapel collar, inner button up waistcoat, knee length frock coat, side flap pockets with button.This victorian steampunk jacket will give your boys a stylish look that will stand out from the crowd.

Suitable Occasions: This halloween costumes for boys suitable for steampunk themes,rock halloween costume parties, horror picture show, cosplay, nightclub fashion show, casual, wedding, comic con, renaissance, pirate, colonial costume fancy dress up etc occassions.You will stand out in the crowds with it.

Material: Our pirate costume kids made of polyester fabric with lining and metal buttons, it is well made.Soft, lightweight and comfy for skin. The best halloween costume gifts for kids.

Officially licensed

Includes tunic, pants, cape, printed belt, and mask

Polyester

Skeleton costume in size: 9-12 months. Suitable for little girl-s and boy-s. This high-quality outfit consists of the jumpsuit with skull-head cape. The overall has a velcro opening at the back. Our body-suit is cozy and keeps your baby-girl / baby-boy warm. Comfortable to wear over normal clothes, for inside and outside occasion-s and festivities. Perfect for halloween, carnival parade-s, city street celebration-s or birthday-parties. Material: 100% polyester.

Creepy bone-s and muscle-s fancy dress-es are a must have for Allhallows Eve-party this year! Available in every age group: newborn-s, infant-s, babies, toddler-s and children (you can choose from : 6/9 months, 9/12 months, 12/18 months, 2t, 3t, 4t, 5, 6, 7, 8 and 9). In addition we offer matching costume-s for teen-s and adult-s in M, L, XL, XXL, even plus size-s. Now nothing stands in the way to go for a halloween as a monster-s family.

If you're a fan of other terrifying costume-s, we recommend vein freezing disguising as zombie, pumpkin, witch, vampire or other horror characters. And for those who do not like to be afraid, or need a cool furry-suit for a zoo, safari or jungle family-party, we also have the right one: tiger, panther, cheetah, leopard, jaguar, rhino, elephant, zebra, giraffe, gorilla, panda and many others. Choose a perfect disquise from our wide outfit-s selection.

Our boys gothic vampire costume costume includes: patterned waistcoat with attached shirt, fully lined cape with authentic collar, medallion and cane that collapses into 3 pieces

Available in 5 sizes: Toddler 3-4 years, S (4-6 years), M (7-9 years) ,L (10-12 years) & XL(12-14 years). Please refer to the size guide for more information and find your perfect fit

Our childrens vampire costume is crafted with premium materials and attention to detail, kids Dracula costume for boys delivers unbeatable quality and authenticity for a hauntingly realistic Halloween look

Design Details: Unique retro renaissance outfits tailcoat for children/teen boy.Real pockets, knee length frock coat, lapel collar, button up, long sleeve, full lining, solid color, long coat costume, swallow tail, metal buttons are decorated on sleeve cuff, collar, back waist and side flap pockets,vintage victorian style, will bring a fashionable touch to your kids look, definitely suit any styles and seasons.

Material&Color: Our children’s steampunk outfits is made of high quality polyester material, with lining and metal buttons, well made and high quality. 5 kinds of colors - black, wine red, blue, green and white.

Size: S(6-8)-(chest/shoulder: 32.7"/14.4."), M(8-10)-(chest/shoulder: 34.6"/15.0"), L(10-12)-(chest/shoulder: 36.2"/15.6"), XL(12-14)-(chest/shoulder: 37.8"/16.1"). please confirm the size before ordering to avoid inconvenience, thanks!

Our grimm reaper costume includes: Full true to character glow in the dark robe with jagged edges, spooky ghoul detailing and pointy hood, gloves, glowing mask and scythe

Five sizes available: Our kids reaper costume comes in Toddler 3-4 years, S (4-6 years), M (7-9 years), L (10-12 years) and XL (12-14). Please refer to the size guide for further information

Costume is made from high-quality, durable materials and is easy to wear all night long, perfect for Halloween. Scythe assembles in 4 easy to screw together pieces

Superhero cosplay costumes make you be vivid as the characters.

Regular size information which you can see the size chart from size Kids-XS to size Kids-XL. Custom-made size are acceptable if regular size can not meet your requirement.

Look for Superhero costumes and accessories in sizes and styles for children.

Fabric: Polyester / spandex

Package including:1 x top+1 x pants+1 x hat+1 pair of gloves

SIZE:M fits height 43.3-47.2inches, L fits height 47.2-51inches, XL fits height 51-55inches, The set is slim fit, please consider adding one size up if need a regular fit.

Available in Sizes: Small, Medium, Large and XL

Item Includes: Shirt, Pant, Socks and Hat

Pictured items not included: Shoes

Lion costume in size: 2t. Suitable for girl-s and boy-s. This high-quality outfit consists of the jumpsuit with lion-head cape. The overall has a zip at the front. Our body-suits are cozy and keeps your boy or girl warm. Comfortable to wear for inside or outside occasion-s and festivities. Perfect for halloween, carnival parade-s, city street celebration-s or birthday-parties. Material: 100% polyester.

Wild cat-s fancy dress-es are a must have for Allhallows Eve-party this year! Available in every age group: newborn-s, infant-s, babies, toddler-s and children (you can choose from : 6/9 months, 9/12 months, 12/18 months, 2t, 3t, 4t, 5, 6, 7, 8 and 9). In addition we offer matching costume-s for teen-s and adult-s in M, L, XL, XXL, even plus size-s. Now nothing stands in the way to go for a halloween as a lion family.

If you're a fan of other animal-s, or you need cool furry-suit for a zoo, safari or jungle family-party, we also have the right one: tiger, panther, cheetah, leopard, jaguar, rhino, elephant, zebra, giraffe, gorilla, panda and many others. And for those who like to be afraid, we recommend creepy disguising as skeleton, pumpkin, witch, vampire or other horror characters. Choose a perfect disquise from our wide outfit-s selection.

【Kids Onesie】You will get a funny kid's animal onesie.Let your kids wear it, she/he will be the highlight of all occasions.

【Perfect Design】The Designs of animal onesie with eyes, mouth, ear and nose for full effect. Front zipper/button design, Back zipper design,easy to go to toilet.

【Good Material】Kid's animal onesie are made of flannel fabrication, it's light, warm and comfortable, exquisite workmanship, 100% brand new.The quality of the clothes is very good ,it will definitely make you satisfied.

Giraffe costume in size: 2t. Suitable for girl-s and boy-s. This high-quality outfit consists of the jumpsuit with giraffe-head cape. The overall has a zip at the front. Our body-suits are cozy and keeps your boy or girl warm. Comfortable to wear for inside or outside occasion-s and festivities. Perfect for halloween, carnival parade-s, city street celebration-s or birthday-parties. Material: 100% polyester.

Wild animal-s fancy dress-es are a must have for Allhallows Eve-party this year! Available in every age group: newborn-s, infant-s, babies, toddler-s and children (you can choose from : 6/9 months, 9/12 months, 12/18 months, 2t, 3t, 4t, 5, 6, 7, 8 and 9). In addition we offer matching costume-s for teen-s and adult-s in M, L, XL, XXL, even plus size-s. Now nothing stands in the way to go for a halloween as a giraffe family.

If you're a fan of other animal-s, or you need cool furry-suit for a zoo, safari or jungle family-party, we also have the right one: tiger, panther, cheetah, leopard, jaguar, rhino, elephant, zebra, giraffe, gorilla, panda and many others. And for those who like to be afraid, we recommend creepy disguising as skeleton, pumpkin, witch, vampire or other horror characters. Choose a perfect disquise from our wide outfit-s selection.