Tips for making dress shirts softer?

[WWRWestbrookDo?]

Wear a t-shirt or wife beater underneath

simplest and most efficient answer right there.

You ever try the Non Iron Brooks Brothers shirts? Those don't seem to itch.

[Myth]

Your shirt is too uncomfortable? Really? And undershirt isn't enough because your dress shirt will still touch your arms? Really?

This is the epitome of what they call "white people problems."

[PHX_Phan]

Is a V-neck undershirt not enough?

Other than an undershirt or continuing to spend so much time searching for a 'soft' shirt, the only other thing I could suggest is to man up and get used to it.