Dr. Seuss Cat in the Hat Thing 3 Adult Costume

Chaos Has a New Number

Dr. Seuss's beloved troublemakers are legendary, and now the mischief expands with Thing 3 joining the crew. This vivid red costume brings the Cat in the Hat's most notorious houseguests to life in bold, unmistakable style.

Red From Collar to Cuff

The jumpsuit is a rich, striking red that commands attention from across the room. A relaxed, full-body silhouette gives it that classic Seussian look, with a wide hood-style collar framing the face. The sleeves finish with a fun floppy cuff detail — a playful, fanned extension at the wrist that adds an extra dash of cartoon personality to the costume's overall look.

That Oval Says Everything

Front and center sits the iconic white oval badge printed boldly with "THING 3" in classic black lettering. Clean, graphic, and instantly recognizable, it identifies the wearer as the newest member of Seuss's chaos brigade.

The Hair That Defies All Logic

No Thing costume is complete without the wild blue wig, and this one delivers spectacularly. The included wig erupts in a voluminous shock of bright blue frizz that juts outward in gloriously unruly directions. Paired with the round novelty glasses visible in the product images, the full look captures that signature wide-eyed, wonderfully unhinged Thing expression perfectly.

Group Chaos, Fully Unlocked

Thing 3 is the perfect addition to a group costume alongside Thing 1 and Thing 2. Whether trick-or-treating, attending a Halloween party, or causing general Seussian mayhem, this costume makes the team complete and the fun practically unavoidable.