The Santa Clause 1994
The person who wears this dress and gets on the sleigh loses all rights to their previous identity and accidentally or naturally accepts all the duties and responsibilities of being Santa Claus!
Toy salesman Scott Calvin finds himself in an unpleasant and complicated situation on Christmas Eve. Santa Claus falls off the roof and urgently orders Scott to take his place. By wearing the Santa Claus costume, Scott unknowingly also accepts all the responsibilities of the rosy-cheeked legend.