Looking for a relaxed fit cotton vest top that's not too low on the neckline or under the arm.

[tearoomtrash]

To tuck into paisley cotton trousers for forthcoming holiday.

It seemed like an easy task, but relaxed fit vest seems to mean bra on full show either when bending down or raising an arm. Very annoying.

Any suggestions? I'm looking for one in white, one in black...

Had one from Boden last year that fitted your description, you could try looking there.
Otherwise, I have resorted to taking up vests at the shoulder seam to cure underarm bra problem.

Try Uniqlo.

fitted but not tight, any good?