A bit of a rant...

[acstoon]

Tough as it is... ignore it... stubborn ignorance is tough to combat.
I have a sister-in-law who, despite the fact that many in my family are kilted, is rather condescending/patronizing regarding kilt-wearing. Small minds. There's a general assumption that relatives' input/opinions/advice is automatically so much more valuable... wrong! Much as I love my family, I am aware they are not all-knowing, and as fallible as the next person. Therefore, I do not feel I must endure, nor heed their words.

My personal (and very uninformed) opinion: Jealousy. You (and your father) wear a kilt that not only reflects your history, heritage, and self-confidence... but you also look damn good in it, too.

I've never been a fashion-monger. To those who have admonished my fashion sense, I have a standard reply:
"I dress for comfort, within reasonably acceptable social norms. I do not feel I need to follow trends established by people, who live in far away places, whom I've never met, and hold values that are questionable to me. If you wish to purchase me another wardrobe, you may do so... I MIGHT wear it."

All I can humbly suggest: Quietly smile at her ignorance, go about your business, and lead by example.