To be honest all the reasonably priced ones are pretty crap and have various problems.
You get what you pay for.
We use Axiwi which are nt cheap. but also arent mega expensive.
They work well for us, but I know some people don't like them. The newest version is much better than the older ones.
I usually wear heat gear because of the conditions here, and put a carry vest on over that.Adjacent to this thread - what do y'all wear under your jerseys when comm'd up? The only thing I've worn is something like this, which worked well, but am unaware of other options.
My oppo wears a singlet.
Fuckin' oathHow very Australian