plonis: I would tend to agree with NY Mom that the mitzva of kibud av v’em overrides your chumra. But I’m not a rav. Do you have an LOR you can discuss this with? He might be able to clarify things for you.
As an interesting side note, I once had a sefardi roommate who told me when her family lived in Sudan her father would not let her wear tights because there it was considered not tznius. I must admit I was quite surprised at that.