sleeveless vest BrE
sleeveless shirt AmE

Another model, a sleeveless shirt, is described as a Thank Top.

There are vests that look like sleeveless shirts or coats.

For men, short pants or sleeveless shirts are generally regarded as inappropriate.

The sleeveless shirt, for now, will have to wait.

Reaching inside his sleeveless shirt, he brought out a little stone jar, and opened it.

Show them off in a sleeveless shirt or flattering jeans.

He is usually portrayed wearing a white sleeveless shirt and blue jeans.

I was wearing a sleeveless shirt without a collar.

He'd seen them as all men because they were together, all wearing sleeveless shirts.

Another was in shorts and a sleeveless shirt, lying on a blanket with an open magazine.