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Size Chart Adult Onesies
Have a good look at the size chart below to determine the right size for you.PLEASE NOTE: OppoSuits have a slim-fit design. When in doubt between two sizes, we recommend you to pick the larger size of the two.

HOW TO MEASURE
Grab a tape measure, write down the measurements and compare with our size chart for the right size.
Hold the tape horizontally to measure:
Hold the tape vertically to measure
Bring instant joy and cozy vibes together with the iconic Elmo onesie. Inspired by everyone’s favorite red monster, this onesie is made for fans who love fun, comfort, and standing out. Whether you’re relaxing at home, heading to a costume party, or dressing up for a themed event, the Elmo onesie guarantees smiles wherever you go.
This Elmo onesie features Elmo’s signature bright red color, playful details, and a character hood that brings the look to life. Instantly recognizable and full of personality, it’s perfect for costume parties, cosplay, festivals, or cozy weekends at home. If you love bold looks with a cheerful twist, this Elmo onesie is a must-have.
Made from soft, high-quality fabric, the Elmo onesie is warm, breathable, and incredibly comfortable. The relaxed fit allows easy movement, while the front zipper makes it quick to put on and take off. Ideal for lounging, sleeping, or dancing your way through a party, Elmo style.
• Great for lounging and relaxing at home
• Ideal for costume parties and cosplay
• Perfect for themed events and festivals
• A fun and comfortable gift idea
• Iconic Elmo-inspired design
• Soft, cozy, and comfortable material
• Easy zip closure
• Perfect mix of fun, comfort, and fandom
From couch time to party time, the Elmo onesie delivers feel-good comfort with a playful edge. Bright, cozy, and full of character, this is loungewear that makes everyone smile.
You are currently shipping to United States and your order will be billed in USD $.