low-cut
US /ˈloʊ.kʌt/
UK /ˈloʊ.kʌt/

1.
scollato, a taglio basso
a garment, especially a dress or top, that is cut low so as to reveal the top of the breasts or the back
:
•
She wore a stunning low-cut dress to the party.
Indossava un abito mozzafiato scollato alla festa.
•
His shirt was so low-cut that it showed his chest.
La sua camicia era così scollata che mostrava il petto.