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Adult Plus Size Oscar the Grouch Costume Onesie | Sesame Street Costumes

Embrace your inner grouch this Halloween with the Adult Plus Size Oscar the Grouch Costume Onesie from Sesame Street. Officially licensed and designed for comfort, this jumpsuit lets you own the party with Oscar’s iconic attitude. Ideal for plus-size adults and unisex wear, it’s built to be seen and heard.

Made from 100% polyester faux fur, this wearable blanket with attitude features a front zipper for quick on and off, plus elastic bands at the wrists and ankles to keep your grouch vibe tucked in without sacrificing comfort. The hood brings Oscar to life with appliqued and embroidered eyes and a long-pile faux fur unibrow that radiates dont-mess energy. A Scram sign printed on the shoulder completes the look.

And yes, it’s officially licensed, so you’re rocking Muppet-approved flair. This costume is perfect for Halloween, costume parties, or cozy couch nights when you want to stay in character all day long.

Zip up, settle in, and celebrate being seen for your fuzzy, green, judgment-filled style. With this unisex plus-size Oscar the Grouch onesie, you get comfort, character, and a dash of mischief all in one playful package.


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