also: ノンワイヤブラ
noun
wireless bra; non-wired bra
A bra without an underwire, often emphasizing comfort. Common in lingerie contexts.
最近、ノンワイヤーブラが人気です。
Wireless bras have become popular recently.
このノンワイヤーブラは着け心地がいい。
This wireless bra is comfortable to wear.
A wired bra, the opposite of ノンワイヤーブラ.
From English 'non-wire bra', adapted into Japanese with katakana.