Does it really matter what other people spend, though? After all, clothes are only one of the things we pay money for as adults - mortgages or rent, cars or other transport, holidays, school fees, wine, sports kit, gym membership, books, football season tickets, dentistry, restaurants, jewellery, Botox, etc, gardening, house maintenance, art, haircuts, drugs, rehab, horses, musical instruments, gambling, theatre tickets, groceries. Every single person will make a personal judgement on how they allot whatever money they have to different purposes.
Maybe when I’m buying a coat I’m aware that someone else is spending a week on the Costa del Wherever for the same price. I have friends who travel endlessly - but they only ever buy charity shop or the cheapest High St clothes. Plenty of people ask here about clothes for the most significant and expensive events of their lives - but want a luxury dress for £50. We all have different priorities.
I do get the problem with guilt if past or current circumstances cause a person to doubt their own value or fear the reaction of those close to them. But, assuming you are not starving your children or stealing from shops, there is nothing inherently wicked about buying, wearing and enjoying nice clothes.
I would also argue that it’s particularly important for women living with male partners to actively model equality in relationships for their children. Because sometimes it seems as if a good third of posters are sitting at home in rags with three tiny children, wondering how to stretch £17 for a week’s meals - while The Man of The House is away for yet another long weekend on his gazillion dollar touring bike, wearing £3k worth of kit …