Batman, Black Suit, Black Cape and Cowl, Copper Utility Belt (37157 Cape)(Dark Knight Trilogy)

Comes in 1 set, made of 5 parts. The lowest-priced set it comes in is 76239 Batmobile Tumbler: Scarecrow Showdown (RRP £34.99).

Check the minifigures carefully when buying a used set: they're part of its grade.