Minifig Neckwear Armor Breastplate with Pointy Shoulders, Hexagonal Hole and 2 Studs on Back

Reference

35049

Minifig Neckwear Armor Breastplate with Pointy Shoulders, Hexagonal Hole and 2 Studs on Back (part 35049) is a LEGO element. CollectORbuild's catalog records it in 10 sets, including Aaron's X-bow and Axl's Rolling Arsenal.