tube top
US /ˈtuːb tɑːp/
UK /ˈtuːb tɑːp/

1.
a woman's close-fitting, strapless top, typically made of stretchy fabric
:
•
She wore a black tube top with high-waisted jeans.
•
The store had a variety of colorful tube tops on display.
a woman's close-fitting, strapless top, typically made of stretchy fabric