Best 3T Boys Sleepwear in 2026

100% OFFICIALLY LICENSED HARRY POTTER PAJAMA SET, GUARANTEED!!: Intimo specializes in high-quality, officially licensed children’s sleepwear and underwear. Featuring everything from classic cartoon characters to superheroes, and all the newest, most popular movie, toy, and television characters in between, Intimo is the go-to company for finding all your officially licensed apparel for boys and girls.

ALL 4 HARRY POTTER HOUSES AVAILABLE: These Harry Potter pajama comes in all 4 house colors and designs. The top features the house crest on front in a detailed printed design. The raglan sleeves, collar and back also vary in color to match the chosen Hogwarts house, with the shirt front colored a versatile heather gray The bottoms are done in a matching color plaid pattern. *For exact size measurement of raglan top and pants check description* :)

SLEEP IN COMFORT: Soft and practical, these Harry Potter pjs are designed with kids in mind. This Harry Potter shirt and pants are both tagless, with brand logo washing directions printed inside the shirt. The plaid pants and raglan shirt are perfect for cooler summer nights, all the way into colder winter nights and days like Christmas morning!. In these comfy pjs, your child will sleep comfortably and be free to dream of quidditch, potions, wands, spells and magical adventures!

Note: Size 2=2T, Size 3=3T, Size 4=4T

Note:Size 12-18M & size 18-24M & size 2 & size 3, <br>these four sizes are only slightly different in size. <br>So two adjacent sizescan be purchased in place of each other.

Soft, cute,100% Cotton, Imported

Note: Size 2=2T, Size 3=3T, Size 4=4T

Note:Size 12-18M & size 18-24M & size 2 & size 3, these four sizes are only slightly different in size. So two adjacent sizescan be purchased in place of each other.

Soft, cute,100% Cotton, Imported

100% Cotton - The fabric of this toddler boy clothing is cotton, stretchable, breathable and super soft knitted fabric. Extra strength and durability. All day dry keeps your baby more comfortable in summer.

Fashionable design - Dress up your little boy to make him look more cool and cute. Various fun designs available, including multi-pattern, monkey and dinosaur, which will cater to your kid's interest.

Drawstring shorts are more convenient for kids to put-on/take off by themselves. The pantss are super stretchy. Adorable little pockets, both on the shirt and shorts, make these toddler boy summer clothes more fashionable.

Kids Pajamas are made from 100% new and high quality cotton fabric,super soft,comfortable and breathable fabric to protect kids soft skin,keep warm in winter

Elastic waist band for crewneck cartoon tops and fleece pants,non-slip and painless,easy on/off,cartoon design ,make baby clothes can be used for daily wear as well as for sleepwear set

Long sleeve and colorful pattern: The solar system with Planets,Space and Rocket.New T-Rex Dinosaur pattern,Funny Skeleton Dinosaur,Glow in the dark with UFO,Fire Train,Funny Truck,fashionable and stylish,kids favorite,make your baby looks more cute and cool

BLAZE AND THE MONSTER MACHINES 2 PIECE PAJAMA SET - Your little one can get ready for adventure lounging in his Blaze and the Monster Machines pajamas! This toddler boy's Blaze pajama set includes a soft short sleeve t-shirt, and matching pants. Available in toddler boys sizes 2T, 3T, 4T, and 5T.

FEATURING HIS FAVORITE BLAZE AND THE MONSTER MACHINES CHARACTERS - These super cool pajamas are sure to bring a smile to any boy's face. This Blaze sleepwear set features graphics of Nickelodeon's Blaze and the Monster Machines characters: Blaze, Darington, Zeg, and Pickle! It's perfect to play and sleep in!

COMFORTABLE & STYLISH - These pajamas are made from high-quality 100% polyester fabric that is flame resistant for your child's saftey. They are lightweight and soft. Each pj set contains double stitched hems, an elastic waist, and a ribbed-knit collar. This set includes sublimated graphics and bright colors.

3 PIECE PAJAMA SET FOR BOYS - Your little one can get ready for adventure lounging in his Thomas the Train pajamas! This toddler boy's Yankee Toy Box exclusive Thomas & Friends pajama set includes a soft short sleeve t-shirt, a pair of shorts, and a pair of pants. Available in toddler boy's sizes 2T, 3T, and 4T.

FEATURING HIS FAVORITE THOMAS & FRIENDS CHARACTERS - These super cool pajamas are sure to bring a smile to any boy's face. This sleepwear set features graphics of the Hit Entertainment's Thomas & Friends characters: Thomas, Percy, and James! It's perfect to play and sleep in!

COMFORTABLE & STYLISH - These pajamas are made from high-quality 100% polyester fabric that is flame resistant for your child's saftey. They are lightweight and soft. Each pj set contains double stitched hems, an elastic waist, and a ribbed-knit collar. This set includes sublimated graphics and bright green and blue colors.

SUPER HERO ADVENTURES 2 PIECE PAJAMA SET - Your little one can get ready for adventure lounging in his Super Hero Adventures pajamas! This toddler boy's Avengers pajama set includes a soft short sleeve t-shirt and matching pants. Available in toddler boys sizes 2T, 3T, 4T, and 5T.

FEATURING HIS FAVORITE SUPER HERO ADVENTURES CHARACTERS - These super cool pajamas are sure to bring a smile to any boy's face. This Avengers sleepwear set features graphics of Marvel Super Hero Adventures heroes: Captain America, The Hulk, Iron Man, The Black Panther, Thor, Groot, Spider-Man, and Wasp! It's perfect to play and sleep in!

COMFORTABLE & STYLISH - These Super Hero Adventures pajamas are made from high-quality 100% polyester fabric that is flame resistant for your child's saftey. They are lightweight and soft. Each pj set contains double stitched hems, an elastic waist, and a ribbed-knit collar. This set includes sublimated graphics and bright colors.

ANY-SEASON BOYS’ PAJAMAS: Get your child ready for exciting adventures in these adorable Mickey Mouse pajamas. Send your little guy to bed dreaming about fun with his favorite mouse friend. Officially licensed Disney merchandise.

FUN BEDTIME: These Mickey pajamas for boys come in a classic top-and-pants style and feature fun graphics and bright colors. The top’s front buttons will make your little boy feel like a big kid. Available in sizes 2T–4T to fit your little guy.

COMFORTABLE SLEEPWEAR: Your son will love these durable and comfortable pajamas. The pull-on pants and button-up pj shirt make bedtime fun, and the footless pants help your child avoid slipping as they run or play.

BOYS PAJAMA SET WITH CAPE - Your little one can get ready for adventure in these awesome Yankee Toy Box exclusive PJ Masks pajamas! This pajama set includes a long sleeve pajama top, pajama pants, and a bonus detachable cape and is available in toddler boys sizes 2T, 3T, 4T and 5T.

FUN GRAPHICS - These super cool pjs are sure to bring smiles to any boys face! This sleepwear set features awesome graphics of your favorite PJ Masks characters, Catboy, Gekko, and Owlette! It's perfect to play and sleep in!

COMFORTABLE & STYLISH - These pajamas are made from high-quality 100% polyester fabric that is flame resistant for your child's safety. They are lightweight and soft. Each pair contains double stitched hems, elastic waistband, ribbed knit collar, and colorful sublimated graphics.

DISNEY CARS 2 PIECE PAJAMA SET - Your little one can get ready for adventure lounging in his Disney Cars pajamas! This toddler boy's Cars pajama set includes a soft short sleeve t-shirt, and matching pants. Available in toddler boys sizes 2T, 3T, 4T, and 5T.

FEATURING HIS FAVORITE DISNEY CARS CHARACTERS - These super cool pajamas are sure to bring a smile to any boy's face. This Cars sleepwear set features graphics of the Disney Cars characters: Lightning McQueen, Tow Mater, Fillmore, Guido, Sarge, Red, Luigi, and Sheriff! It's perfect to play and sleep in!

COMFORTABLE & STYLISH - These pajamas are made from high-quality 100% polyester fabric that is flame resistant for your child's saftey. They are lightweight and soft. Each pj set contains double stitched hems, an elastic waist, and a ribbed-knit collar. This set includes sublimated graphics and bright colors.

SPIDERMAN: Your little superhero can rest easy in these awesome pjs! Whether they want to fight side-by-side with members of the A-team, or simply swing through the city saving the day they will always have fun! Officially licensed Marvel product.

7 PIECE COTTON SETS: Mix and match for double the fun in these character pj sets! With crew necklines, ribbed cuffs, and covered elastic waistbands these sets ensure ease and endless comfort wherever their dreams may take them! Great value for gifting!

SIZING: All sizing follows standard regulations set by the National Retail Federation for infant and toddler (12M, 18M, 24M, 2T, 3T, 4T), as well as big kids (4, 6, 8, 10, 12)

Tagless label on the neck helps protect sensitive skin.

Super wide waist band makes your kids comfortable and painless.

Banded crewneck ,cuffs and legs.

DUNGEON CRAWL WEARING MINECRAFT CLOTHES FOR BOYS FEATURING FAVORITE CHARACTERS. Minecraft is a kids’ pop culture phenomenon that’s taken the world by storm. It spans from video games to toy lines and more. This boys 3-piece tshirt, tank top and shorts set is available in three distinct styles. The scenes on the boys Minecraft tshirts evoke Minecraft action including player character, Steve, battling Skeleton and a player being menaced by a horde of creepers.

PERFECT FOR OUTDOOR PLAY OR SLEEPWEAR: These Minecraft clothes for boys are great for pretending to stalk around dungeons during the day. It’s also light enough to double as sleepwear on warm spring and summer evenings.

MACHINE WASHABLE: Machine washability will allow these Minecraft clothes for boys to be cleaned on maximum laundry agitation settings without fading the graphics or colors.

100% Cotton Pajamas.

Imported,Machine wash/tumble dry

Snug fitting - for comfort and safety

[100% Cotton] The Boys PJ Sets with 4pc are 100% organic cotton, which are very soft, breathable, and lightweight. The natural cotton short sleeve pajamas for boys ensure your little ones are sleeping soundly and in style, are also good for children's skin. We have been dedicating to providing kids with super comfy summer pajamas.

[Safety] For kids' safety, our summer sleepwear is snug-fitting. And the T-Shirt pajamas sets are designed by the figure of most boys, including size 18-24 Months kids pajamas, 2t pajamas, 3t, 4t, size 5, size 6, size 7 size 8, size 10, size 12. And please attention, we advise that you could check the size chart carefully and choose the proper size if your little one is stronger than others.

[Cool Prints & Best Gift] Colorful and diverse design Boy's Pajamas Sets. The professional team designs feature fashionable and unique theme patterns, such as dinosaurs themes, race cars themes, and shark themes, which are sure to delight any toddler boy. And there are great boys jammies for sleeping or playing at home, as well as cool gifts for kids’ birthdays, parties, camping, and so on.

HIGH QUALITY: Our thermal underwear set for boys includes a long-sleeve t-shirt and pair of matching sweatpants; Extra warm brushed fleece underwear set for your son, perfect for layering, bedtime, sleepovers, and relaxing; Ideal for staying cozy on winter days

THERMAL TEE: Extra warm and snug boys’ long-sleeve thermal t-shirt ensures maximum comfort; This soft top will keep your boy comfortable on the coldest winter nights; Skin-friendly and warm fabric makes this sleeping top a must-have item in your son’s wardrobe

MATCHING SWEATPANTS: Lounge or snooze in these soft thermal joggers and topped with an elastic waistband that will keep him comfortable and won't restrict his movement; Extra warm brushed fleece long johns for boys are perfect as a base layer in the autumn and winter

ANY-SEASON BOYS’ PAJAMAS: Get your little Jedi ready for adventures with Grogu and Mando in these adorable Star Wars pajamas. He’ll dream of using lightsabers and the Force. Officially licensed Lucas Star Wars merchandise.

ENJOYABLE BEDTIME: These fun Mandalorian pajamas come in a variety of styles and feature charming graphics and bright colors. These cute and comfortable baby, big-boy, and toddler pajamas are available in sizes 12M–2T and 2–10

COMFORTABLE STAR WARS BOYS’ PAJAMAS: These little- and big-boy pajamas are durable, fun to wear, and comfortable year round. The easy on-and-off design makes bedtime a snap, and the footless pants and shorts leave feet free for playing and walking.

HIGH QUALITY: Our thermal underwear set for toddler and older boys includes 2 long-sleeve t-shirt and a pair of matching sweatpants; Extra warm waffle-knit underwear set for your son, perfect for layering, bedtime, sleepovers, and relaxing; Ideal for staying cozy on winter days

THERMAL TEE: Extra warm and snug boys' long-sleeve thermal t-shirt ensures maximum comfort; This soft waffle top will keep your toddler or little boy comfortable on the coldest winter nights; Skin-friendly and warm fabric makes this sleeping top a must-have item in your son's wardrobe

MATCHING SWEATPANTS: Lounge or snooze in these soft thermal sleepwear joggers made from skin-friendly fabric and topped with an elastic waistband that will keep him comfortable and won't restrict his movement; Extra warm waffle-knit long johns for boys are perfect as a base layer in the autumn and winter

3 PIECE PAJAMA SET FOR BOYS - Your little one can get ready for crime fighting adventures in this awesome Justice League 3-piece pajama set! This toddler boy’s pajama set includes a matching soft short sleeve t-shirt, a pair of shorts, and a pair of pants all featuring colorful graphics of your favorite DC Comics heroes. These pajamas are perfect for any Justice League fan! This sleepwear is flame resistant for your child's safety. Available in toddler boys sizes 2T, 3T, and 4T.

FEATURING HIS FAVORITE JUSTICE LEAGUE CHARACTERS - These super cool and colorful pajamas are sure to bring a smile to any boy's face. This sleepwear set features graphics of your favorite Justice League DC Comics heroes: Superman, Batman, The Flash, and The Green Lantern! It's perfect to play and sleep in!

COMFORTABLE & STYLISH - These pajamas are made from high-quality 100% polyester fabric that is flame resistant for your child's safety. They are lightweight and soft. Each pj set contains double stitched hems, an elastic waist, and a ribbed-knit collar. This set includes sublimated graphics and bright colors.

Material: Satin, luxurious, soft silky and comfortable. comfy toddler silk pajamas outfits.

Heart printed buttons-front pajama set valentine's pjs clothes for children kids girls, long sleeve button-down top and elastic long pants two pieces sleeper clothes set.

Toddler girl valentine's sleepwear pjs loungewear suit for 1t 2t 3t 4t 5t 6t toddler kids baby girls boys, fit for spring, summer, autumn/fall, winter.

Mix and match for double the fun in these character pj sets! With crew necklines, ribbed cuffs, and covered elastic waistbands these sets ensure ease and endless comfort wherever their dreams may take them! Great value for gifting!

SIZING: All sizing follows standard regulations set by the National Retail Federation for infant and toddler (12M, 18M, 24M, 2T, 3T, 4T), as well as big kids (4, 6, 8, 10, 12)

SAFETY AND COMFORT: Made from soft and comfortable fabrics to ensure a cozy night’s sleep! This item is 100% Cotton. In accordance with safety regulations this item is tight fitting, it is NOT flame resistant.

Material:Infant baby boy summer shorts set, made of high quality cotton and polyester, soft fabric with moisture absorption and ventilation functions, elastic and light, cares for your baby's skin, breathable and comfortable to wear

Design:2 Pieces toddler boy casual outfit, round neck, sleeveless letter"No one like a shady beach" and sunglassess print vest tank top, elastic waist palm tree and dinosaur print shorts, giving your little baby a good time on hot day

Occasion:Fashion little boy summer outfit, suitable for daily wear, outdoor wear, home wear, play wear, sleepwear and perfect for birthday party, photo shoot, holiday, family gathering, beach etc

HIGH QUALITY: Our thermal underwear set for toddler and older boys includes a long-sleeve t-shirt and a pair of matching sweatpants; Extra warm waffle-knit underwear set for your son, perfect for layering, bedtime, sleepovers, and relaxing; Ideal for staying cozy on winter days

THERMAL TEE: Extra warm and snug boys' long-sleeve thermal t-shirt ensures maximum comfort; This soft waffle top will keep your toddler or little boy comfortable on the coldest winter nights; Skin-friendly and warm fabric makes this sleeping top a must-have item in your son's wardrobe

MATCHING SWEATPANTS: Lounge or snooze in these soft thermal sleepwear joggers made from skin-friendly fabric and topped with an elastic waistband that will keep him comfortable and won't restrict his movement; Extra warm waffle-knit long johns for boys are perfect as a base layer in the autumn and winter

Something for the whole picture perfect family: comes in sizes for adults, kids, and even your dog!

Adults are sold as separates so make sure to get the matching top and bottom

Great gift idea for that picture perfect family

2-pieces includes: top and pants featuring Mickey Mouse graphics

Top: long sleeves, crewneck, ribbed neckline and cuffs

Pants: elastic waistband and ankle cuffs

MICKEY MOUSE PAJAMAS: Send your little guy off to bed to dream about adventures with his favorite pals Mickey, Goofy, and Pluto in these cute baby and toddler pajamas. Officially licensed Disney merchandise.

COMFORTABLE SLEEPWEAR: Featuring charming graphics and bright colors, these Disney pj’s for boys come with 2 romper-style zippered jammies. They’re available in baby and toddler sizes 12–18 months and 2T–4T.

ENJOYABLE BEDTIME: These boys’ pj’s are durable, fun to wear, and comfortable year-round. The easy zip-up design and long or short sleeves make them comfortable, and the footless bottoms leave feet free for playing and walking.

I AM VENGEANCE. I AM THE NIGHT. I AM BATMAN: DC Comics’ Batman is one of the most iconic pop culture icons in history. The Dark Knight’s exploits have grown to every media outlet including movies and video games. These boys Batman sweats include a hooded sweatshirt and a jogger. They’re available in five distinct styles. All five include black joggers with different iterations of the Batman logo.

WARM AND COZY: These Batman sweats for boys are made from a thick yet breathable premium 100% polyester blend. Whether kids are creating their own Gotham City adventures or using the costume hoodie and jogger as sleepwear, they’ll be able to do so in comfort while repping their Batman fandom.

THE PERFECT GIFT FOR YOUR PERFECT BATMAN FAN: Whether it’s for a holiday, a birthday, or just to make a day special, the gift of a Batman hoodie and jogger set for boys will make you a fanboy’s favorite person.

BABY AND TODDLER BOYS AND GIRLS 2-PIECE COCOMELON PAJAMA SET - Your little one can get ready for adventure lounging in his new Cocomelon coat-style pajamas! This 2-piece pajama set includes a long sleeve button down pajama top and matching pajama pants. Available in infant sizes 12 Months, 18 Months and 24 Months, as well as toddler boy's and girl's sizes 2T, 3T, 4T and 5T.

FEATURING THEIR FAVORITE CHARACTERS - These super cute pajamas are sure to bring a smile to any kid's face. Make your little one's night with these extra soft pjs. This sleepwear set features his favorite Cocomelon characters: Ello, Kiki, Momo, Pepe, JJ, Wally, Boba, Mochi and Cocomelon! It's perfect to play or sleep in!

COMFORTABLE & STYLISH - These Cocomelon pajama sets are made from high-quality 100% polyester flannel fabric that is flame resistant for your child's safety. They are lightweight and soft. Each pj set contains double stitched hems, an elastic waist, and a fold-over collar.

OFFICIAL U.S. POLO ASSN: Boys' 4 piece snug fit t-shirt, joggers, and shorts pajama set; Authentic and officially sanctioned by the United States Polo Association; More than just a brand – it’s an experience

2 PIECE BUNDLE: Pajama set for little boys and big boys includes 2 short sleeve t-shirts, a pair of lightweight jogger pajama bottoms, and a pair of sleep shorts; Perfect for bedtime, sleepovers, slumber parties, and cozy evenings at home

MIX AND MATCH: Lounge or snooze in these soft matching pajama set made from skin-friendly fabric; Wear the matching pieces together or mix and match the pajamas for a variety of cute and cozy looks; Choose from fun, classic colors like blue, red and grey camo, and red white and blue stripes