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Question about underwire on bras

(28 Posts)
GabriellaG54 Fri 26-Apr-19 13:31:32

grin
That should read 'underwired' not underworld. blush

GabriellaG54 Fri 26-Apr-19 13:30:18

IMO, and I wear underworld bras and sports bras, it's the fact of them being a more rigid 'rim' around the cup of the bra, thus keeping your breasts more firmly within the material than might otherwise be the case.

Horseinahat Fri 26-Apr-19 11:25:29

What do the underwires actually do?
Before I had seen an underwired bra I imagined the wire somehow supported the tissue in the cup but it just sits against your chest. What am I missing?
I almost always wear a sports bra with underwiring!