Gear #1 - Head
The Fraternal Order of the Raven - on the top floor of the building. You must find a secret room hidden behind a book cabinet in the projection room.
Equipment #2 - Legs
The Fraternal Order of the Raven - in the aviary, next to a broken down vending machine.
Equipment #3 - Torso
Gondola to Monument Island - behind a dresser found next to the bed in the abandoned apartment guarded by the police.