soft bra; wireless bra; unpadded bra
A bra without underwire, padding, or hooks, often worn for comfort or sleep. The term is a direct loan from English.
Lately I've been liking soft bras because they're comfortable.
I take a soft bra when I travel.
Variant with interpunct; less common in everyday writing.
Loanword from English 'soft bra', combining 'soft' and 'bra'.