'Alien' linework that's not ridiculously complicated and can be easily replicated by different artists. A suit foundation that can work with a variety of textures. And that's clearly NOT underwear breaking up the blue on his waist.
This is how you honor an iconic concept while moving it forward into Tomorrow.
Nice. Subtle differences, light changes, but it's just enough to make the infamous "briefs" not look like underpants, and the whole outfit to look relatively modern. It also helps that the "briefs" are large (I always wonder when people make them tiny).