It is okay to wear different cultural appearances. There is no law on whether or not it's acceptable to wear cultural things and it comes down to your culture whether you want to wear a cultural garment.
It should be considered acceptable to participate in different cultural practices that concern appearance. Displaying involvement in ones culture can give people a strong sense of identity and can help strengthen connection with family.
The error in this sentence is a A) pronoun-antecedent voice agreement error. But it should be noted that this has become more standard usage in common dialogue.
