Perry the Platypus Onesie

£44.99

  • Material: teal fleece
  • Details: Perry hood with yellow bill, embroidered eyes and a brown fedora, flat orange tail on the back
  • Comfort: button front, roomy cut, yellow cuffs at the ankles
  • Occasions: Halloween, Disney marathons, cosplay, lounging
  • Washing: machine washable
  • Ultra-soft fabric | Warm and comfortable
  • Pyjamas and costume | Two in one
  • Any occasion | Bedtime, parties, film nights
  • Gift-ready | One they’ll actually wear
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Size Chart

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Complete your look

Perry the Platypus Onesie

Perry the Platypus Onesie

£44.99

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Yellow Claw Slippers

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  • Material: teal fleece
  • Details: Perry hood with yellow bill, embroidered eyes and a brown fedora, flat orange tail on the back
  • Comfort: button front, roomy cut, yellow cuffs at the ankles
  • Occasions: Halloween, Disney marathons, cosplay, lounging
  • Washing: machine washable

Women’s Perry the Platypus Onesie for secret missions in Danville

By day, a mindless house pet who does not do much. By night, Agent P, the most dangerous platypus in the Tri-State Area. This Perry the Platypus onesie for adults covers both identities in teal fleece, with a wide yellow bill and round eyes stitched on the hood and a brown fedora perched on top. A flat orange tail sticks out at the back, ready to slap a doctor with a lab coat. Buttons run down the front, and yellow cuffs finish the ankles like a pair of webbed feet.

Curse you, Men’s Perry the Platypus Onesie, for being this comfortable

Phineas and Ferb fans have waited a long time for a costume this good, and the adult Perry the Platypus onesie delivers with a roomy cut built for lounging between missions and soft fleece that keeps the warmth in at the lair. The buttons open fast when the alarm rings, and the hood stays put through every dramatic entrance. Halloween, a Disney marathon or a Sunday of doing nothing in character pyjamas, Agent P is on the case. Add it to the basket and report for duty.

More agents in the field

Anyone who loves this design will also enjoy the duck onesie. Browse the full Disney onesies collection to meet every other beloved character. Finally, browse the whole adult onesies collection to find another design to love.

Frequently Asked Questions

They’re made to keep you warm on the sofa through autumn and winter, so yes, they’re cosy. The relaxed fit lets air move around, though, so you won’t get that stuffy feeling you get from tight pyjamas.
Machine wash at 30°C on a gentle cycle. Turn them inside out and pop them in a mesh laundry bag to protect the hood. Skip the tumble dryer and the iron. They air-dry quickly and fluff right back up on their own.
Yes, every onesie we sell is unisex. The roomy cut works for men and women alike, our kids’ styles fit girls and boys just the same, and our baby sizes are cut the same way for everyone. Just check the size chart to find your fit.
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Adult size chart (measurements in cm)

SIZEHEIGHTCHESTSHOULDER WIDTHSLEEVE LENGTHONESIE LENGTH (EXCLUDING HOOD)
S144 - 1531164650127 - 130
M154 - 1631204853137 - 140
L164 - 1731245056147 - 150
XL174 - 1831285259157 - 160