Wiktionary
right stuff
n. (context informal with “the” English) Ideal and essential qualities in character that are critical for success.
Wikipedia
Right Stuff
, abbreviated as RS, was a video game production company that was founded on February 27, 1990, in Nishi-Ōi, Shinagawa, Tokyo, Japan.
Usage examples of "right stuff".
You inserted in that jug--shall we say a tumblerful of the right stuff?
He might not be a pureblood jotunn, but even Gathmor now conceded he was made of the right stuff.
It was the idea of the Right Stuff, from the early days of aviation.