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Adult Transformers Optimus Prime Converting Costume

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Item # DI119389
Items Included
  • Jumpsuit
  • Truck Cab
  • Pair of Wrist Cuffs with Attached Tires
  • Pair of Gloves
  • Pair of Boot Covers with Attached Tires
  • Mask
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Product Information

Size Chart
Size Measurement Standard Metric
Medium Chest 38" - 40" 97cm - 102cm
Medium Inseam 30" 76cm
Size Measurement Standard Metric
X-Large Chest 42" - 46" 107cm - 117cm
X-Large Inseam 31" 79cm
Features
  • Fabric: 100% polyester; mesh: 86% polyester, 14% spandex; foam: 100% polyurethane
  • Jersey knit jumpsuit has hook and loop fastener at center back
  • All-over printed graphics
  • Foam wrist cuffs slide on, have elastic band in upper edge
  • Wrist-length gloves slide on
  • Foam boot covers have elastic band in upper edge
  • Molded plastic mask has elastic band around back of head, mesh-covered eye openings for limited vision
  • Foam truck cab has mesh-covered windshield for truck mode, head hole in top for robot mode
  • Illustrated transformation instructions are printed on item package
  • Officially licensed

This is a Transformers Optimus Prime Converting Adult Costume.

Questions & Answers

Q: What is the maximum height of a person that will fit this costume? There is no information in the size guide or measurement description for that. Thanks in advance! (1 Answer)
Asked by Anonymous | 1 August 2026
Monster Responds...
For sizing and fit guidance, please visit the sizing section of the FAQ page linked in the website footer.
(AI Generated Answer)

Q: Hi guys, can this be used for a 13 year old boy, the M size? Are the adult sizes really large? (1 Answer)
Asked by Olivia | 26 June 2026
Monster Responds...
For sizing and fit guidance, I'd recommend checking out the sizing section on the FAQ page linked in the website footer - that'll help you figure out if the M will work for your son!
(AI Generated Answer)

Q: I purchased this but have no idea how the truck cab is supposed to be attached. There are two straps in the back but where do they go? (1 Answer)
Asked by brandon | 22 September 2022
Monster Responds...
They will connect to the inside front of the costume to become shoulder straps.

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