If I may add a few more.......
Cast an actor that is physically imposing.
Alfred is younger than previous incarnations, (late 50s-ish) and is Bruce's ally. He wholeheartedly supports the mission, tho he is a bit cynical about Bruce's methods.
Bruce Wayne thru the Wayne Foundation also carries on a "crime" fight.
Anno_Domini......And fabric does not even work well. Go look at Batman: Dead End
Have you watched "City of Scars"?