Naturally the entirety of this group portrait of the Batman Family is excellent.
But perhaps Bats himself, behing a more mature man than the others here, should have a bulkier torso? Even the trimmest and most-athletic man starts to fill out between the pecs and the beltline as they genter middle age. It's what's supposed to happen.
Wonderful. Enough to make any would be Gotham criminal decide to go on a long vacation.
They all look great (and with fab abs) but I think my favourite here is Batgirl - you got her spot on