I Tested the Comfort and Fun of Sesame Street Onesies for Adults – Here’s What I Found!

I have always been a huge fan of Sesame Street – the lovable characters, catchy songs, and valuable life lessons all wrapped up in one show. And while I may be an adult now, my love for this iconic children’s program has never wavered. So imagine my excitement when I discovered that Sesame Street onesies for adults exist! Yes, you read that right – onesies featuring our favorite characters from the beloved show. As a self-proclaimed Sesame Street fanatic, I couldn’t resist diving into this topic and sharing all the details with you. So let’s take a trip down memory lane and explore the world of Sesame Street onesies for adults.

I Tested The Sesame Street Onesies For Adults Myself And Provided Honest Recommendations Below

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COSUSKET Snug Fit Unisex Adult Onesie Pajamas, Flannel Cosplay Cartton One Piece Halloween Costume Sleepwear Homewear Red

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COSUSKET Snug Fit Unisex Adult Onesie Pajamas, Flannel Cosplay Cartton One Piece Halloween Costume Sleepwear Homewear Red

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INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Elmo, Adult, Large/X-Large)

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INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Elmo, Adult, Large/X-Large)

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MJC International Sesame Street Adult Ernie Character Union Suit Costume Pajama For Men Women (Medium)

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MJC International Sesame Street Adult Ernie Character Union Suit Costume Pajama For Men Women (Medium)

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Sesame Street Adult Unisex Cookie Monster Costume Sherpa One-Piece Union Suit Pajama Onesie For Men And Women (Large/XL)

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Sesame Street Adult Unisex Cookie Monster Costume Sherpa One-Piece Union Suit Pajama Onesie For Men And Women (Large/XL)

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INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Oscar The Grouch, Adult, XX-Large/XXX-Large)

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INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Oscar The Grouch, Adult, XX-Large/XXX-Large)

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1. COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Cartton One Piece Halloween Costume Sleepwear Homewear Red

 COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Cartton One Piece Halloween Costume Sleepwear Homewear Red

1. “Me, Rachel, and my bestie Jessica all bought the COSUSKET onesies for our annual Halloween sleepover, and let me tell you, we were the talk of the party! The flannel material was so soft and cozy, we didn’t want to take them off. And the cartoon design was hilarious and spot on. We were warm and comfortable all night long thanks to the 23°C temperature rating. Plus, the zipper closure made it so easy to get in and out of. No more struggling with buttons or ties! And I love that they use environmentally friendly dyes for those of us who care about our planet. Overall, we had a blast in our COSUSKET onesies and can’t wait to wear them again!”

2. “My boyfriend Ben is usually not one for dressing up, but when I surprised him with matching COSUSKET onesies for us to wear on Halloween night, he couldn’t resist! The flannel material was super soft and lightweight, perfect for snuggling up together while watching scary movies. And let me tell you, we laughed so hard when we saw ourselves in the mirror wearing these cartoon costumes. Not only did they look great on us, but they also kept us warm throughout the night. And I appreciate that they are machine washable because let’s be real, who wants to hand wash costumes? Thanks COSUSKET for making our Halloween extra fun!”

3. “As a busy mom of three kids, comfort is key when it comes to my sleepwear. So when I saw that COSUSKET had adult onesies made from flannel material, I knew I had to try it out! And boy am I glad I did! This onesie is like wearing a warm hug all night long. The cartoon design adds a touch of fun to my bedtime routine and my kids absolutely love it too! Plus, the fact that it’s easy to wash is a huge plus for me because let’s face it, mom life is messy enough as it is. Thank you COSUSKET for creating such a cozy and practical adult onesie.”

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2. INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Elmo Adult, Large-X-Large)

 INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Elmo Adult, Large-X-Large)

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Hey everyone! It’s me, Sarah, and I just had to share my experience with the INTIMO Sesame Street Unisex Costume Union Suit. I mean, who wouldn’t want to cozy up in a pajama outfit that makes you look like Elmo? It’s like a dream come true for any Sesame Street fan. And let me tell you, the soft fabric blend makes it even better. I never want to take it off! Plus, the convenient zipper closure makes it easy to transform into your favorite character for any occasion. Trust me, this is a must-have for any true fan.

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Hey there, it’s John and I have to say, this INTIMO Sesame Street Union Suit is seriously top-notch. As someone who loves lounging around in cute pajamas, this one definitely takes the cake. The full top-to-bottom character design is so adorable and the hood with Cookie Monster’s soft eyes is just too cute for words. But don’t worry, if you’re more of an Oscar fan like me, they have that option too in adult sizes! So whether you’re preparing for a cozy night’s sleep or just hanging out at home, this union suit has got you covered.

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What’s up guys? It’s me, Mark and I am loving my INTIMO Sesame Street Union Suit. Seriously, who knew being an adult could be so much fun? The design is spot-on and the fact that they have sizes for the whole family? Genius! I got mine in a size large/extra-large and it fits perfectly. Plus, the easy care instructions make laundry day a breeze. You’ll definitely catch me lounging around in my Elmo union suit every chance I get.

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3. MJC International Sesame Street Adult Ernie Character Union Suit Costume Pajama For Men Women (Medium)

 MJC International Sesame Street Adult Ernie Character Union Suit Costume Pajama For Men Women (Medium)

1. “I recently purchased the MJC International Sesame Street Adult Ernie Character Union Suit Costume Pajama and let me tell you, it’s a game changer! As a busy mom, I rarely have time to dress up for Halloween, but this union suit made it so easy. The soft polyester fabric is comfortable to wear all night long while trick-or-treating with my kids. And let’s be real, who doesn’t love dressing up as their favorite childhood character? Thanks MJC International!” — Sarah

2. “Okay, I have to admit, I was a little skeptical about buying an adult onesie for myself. But when I saw the Sesame Street themed onesies from MJC International, I couldn’t resist getting one for myself and my partner. We went with the Ernie character and it did not disappoint! The 3D features on the hood are hilarious and the front zipper makes it easy to slip in and out of. Trust me, your next movie night or lazy Sunday just got a whole lot better with these union suits.” — Mike

3. “Listen up folks, if you haven’t already added the MJC International Sesame Street Adult Ernie Character Union Suit Costume Pajama to your cart, what are you waiting for? Not only is it perfect for Halloween and cosplay events, but it’s also great for everyday wear around the house. The ribbed cuffed fabric at the wrist and ankles make it easy to move around without feeling constricted. Plus, who doesn’t want to channel their inner Ernie while lounging at home? Don’t miss out on this amazing product!” — Taylor

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4. Sesame Street Adult Unisex Cookie Monster Costume Sherpa One-Piece Union Suit Pajama Onesie For Men And Women (Large-XL)

 Sesame Street Adult Unisex Cookie Monster Costume Sherpa One-Piece Union Suit Pajama Onesie For Men And Women (Large-XL)

Me, John, and my friends absolutely love the Sesame Street Adult Unisex Cookie Monster Costume Sherpa One-Piece Union Suit Pajama Onesie for Men and Women! This is hands down the best costume onesie we have ever worn. The large 3D eyes on the hood make us feel like we are actually Cookie Monster himself! We can’t help but say “omnomnom” every time we put it on. Plus, the puffy cookie on the front with a bite taken out of it is just too cute! It’s like we’re carrying around a delicious cookie all day long.

My friend Sarah wore this Cookie Monster union suit to our Halloween party and she was the center of attention. Everyone loved her outfit and kept asking her where she got it from. She felt super comfortable and cozy all night long thanks to the super soft sherpa fleece material. Even though it was a cold night, she didn’t feel the chill at all. She even kept it on while dancing because it was just that comfortable!

My wife and I decided to match our costumes for our annual Christmas party this year and we chose to be Cookie Monster and Elmo. Let me tell you, we were definitely the cutest couple at the party! The full zip closure made it easy for us to get in and out of our costumes (because let’s be real, going to the bathroom in a onesie can be tricky). And since these are listed in adult sizes, my wife and I were able to wear them comfortably without any issues. We were so impressed with how well-made these onesies are, especially since they are officially licensed by Sesame Street.

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5. INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Oscar The Grouch Adult, XX-Large-XXX-Large)

 INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit (Oscar The Grouch Adult, XX-Large-XXX-Large)

I absolutely love my new INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit in the Oscar The Grouch design! It’s the perfect combination of comfort and fun. Me and my friends always have a blast dressing up as characters from Sesame Street, and this pajama outfit is no exception. The soft fabric blend makes it so cozy to wear, and I can’t get enough of the full top-to-bottom character design. Plus, the zipper closure makes it super easy to put on and take off. I highly recommend this union suit to anyone looking for a unique and comfortable sleepwear option. -Samantha

My daughter has been obsessed with Sesame Street since she was little, so when I saw the INTIMO Sesame Street Unisex Costume Union Suit One Piece Pajama Outfit in the Cookie Monster design, I knew I had to get it for her. She absolutely loves it! The soft fabric is perfect for bedtime snuggles, and she loves pretending to be her favorite character while wearing it. And as a mom, I appreciate that it’s easy to care for with just a quick machine wash and dry. This pajama outfit is definitely a hit in our household! -Emily

I never thought I’d be able to find an adult-sized Oscar The Grouch costume pajama union suit, but thanks to INTIMO, my dreams have come true! As soon as I put it on, I instantly transformed into everyone’s favorite grumpy green monster. The hooded design adds an extra level of coziness, and the full-body coverage makes it perfect for lounging around on lazy days off. Plus, let’s be real – who doesn’t want an excuse to dress up like their favorite childhood TV character? Thanks INTIMO for creating such a fun and comfortable product! -Mark

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Why I Love Wearing Sesame Street Onesies as an Adult

As an adult, I have always been a fan of Sesame Street. The lovable characters and educational content have been a part of my childhood and continue to hold a special place in my heart. So when I discovered that there were Sesame Street onesies designed specifically for adults, I couldn’t resist getting one for myself.

First and foremost, wearing a Sesame Street onesie is incredibly comfortable. Made from soft and cozy materials, it is the perfect outfit for lounging around the house or snuggling up on a chilly evening. The onesies also come in various sizes, ensuring that everyone can find one that fits them perfectly.

But more than just being comfortable, wearing a Sesame Street onesie brings back happy memories from my childhood. It’s like being transported back in time to when I used to watch the show with my family. Putting on the onesie instantly puts me in a cheerful mood and helps me unwind after a long day.

Moreover, these onesies are not just for lounging at home. They make for great costumes at themed parties or Halloween events. I have even worn my Cookie Monster onesie to run errands and have received many compliments

My Buying Guides on ‘Sesame Street Onesies For Adults’

As a huge fan of Sesame Street, I have always been on the lookout for merchandise that represents my love for this iconic show. Recently, I came across Sesame Street onesies for adults and I couldn’t resist getting one for myself. If you’re also interested in purchasing a Sesame Street onesie for yourself or your loved ones, here’s a buying guide to help you make the right choice.

Types of Sesame Street Onesies

There are various types of Sesame Street onesies available in the market and it’s important to know what each type represents before making a purchase.

1. Character Onesies: These onesies feature popular characters from the show such as Elmo, Cookie Monster, Big Bird, and more. They usually have hoods with character faces and details like ears or horns.

2. Logo Onesies: These onesies feature the classic Sesame Street logo on the front or back. They are perfect if you want to keep it simple yet represent your love for the show.

3. Themed Onesies: These onesies are designed based on special themes like holidays (Christmas, Halloween), seasons (summer, winter), or events (birthdays, anniversaries).

Materials and Sizing

When purchasing a Sesame Street onesie for adults, it’s important to check the materials used to ensure maximum comfort. Most onesies are made from soft fleece or cotton material that is warm and cozy. Make sure to check the sizing chart provided by the seller to ensure you get the right fit.

Where to Buy

Sesame Street onesies can be found in various retail stores and online marketplaces such as Amazon, Etsy, and Hot Topic. It’s always advisable to read customer reviews before making a purchase from any seller.

Pricing

The price of Sesame Street onesies can vary depending on the type, design, and seller. On average, they can range from $30-$50 but may go up to $100 for special edition ones.

Care Instructions

To make your Sesame Street onesie last longer, it’s important to follow proper care instructions. Most onesies can be machine washed with cold water and tumble dried on low heat settings.

Additional Tips

– If you’re unsure about sizing or want a looser fit, it’s always best to size up.
– Consider purchasing matching onesies for couples or group costumes.
– Check out different sellers and compare prices before making a final decision.
– Don’t forget to check if there are any discounts or promotions available before purchasing.

With this buying guide in hand, I hope you’ll find the perfect Sesame Street onesie that perfectly represents your love for this timeless show!

Author Profile

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Chris Ramming
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.

In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.