If you want a bra that has lots of give and stretch in it then read no further; this is not the bra for you.  If you're willing to sacrifice a little give for a bra that actually stays in place and doesn't keep moving over the course of the day then this might be the bra for you.  I don't recommend this bra for anyone with mobility problems in the arms or shoulders (unless you have another pair of hands handy for dressing.)  However, I find this bra to be very comfortable - it gives me about 18 hours (a good 10 hours more than any bra I've worn before.)  My breasts are kept nicely separated from each other and I don't get any little "pillows" of flesh chafing against my inner arms.  No under-wire means no poking and very minimal elastic means no adjusting.  The shoulder straps also maintain their adjustment and position very well over the course of the day.

This is not a bra for a dressy low-decolletage day.  This -is- a really comfy workaday bra.  Be prepared to go to a LOT of vendors as everyone seems to have this one on "back-order".