Though wardrobe technology still hadn’t caught up to give Reeve the built-in structure of later movie costumes, the size of the Superman shield flatters the broadness of the actor’s chest more.

An alternate design for David Corenswet's Superman costume has been revealed, and it has a big difference from the final version.

Concept art for James Gunn 's Superman, though, suggests David Corenswet may have been on the money about pushing for his DC hero's iconic red trunks.