It's definitely the best of those modern post-Russos-first-attempt suits. Still hate all the random overly-busy red highlights, but at least Joss made the colors pop more than the Russos' versions of it do. The white arms are nice for once too.
Still, The First Avenger one all the way. Loved that paratrooper vibe Johnston & team concocted, not ideal for the modern stuff but still that perfect middle ground between classic & "believable". For my money that's still hands-down the most iconic "Cap" shot of the whole MCU, too frickin' great.
Even unironically dig the classic/USO costume too, it actually looks pretty good in the movie-within-a-movie moment in North Africa by that tank.
The head-wings (raised/ornamental, 3D) are always something I've missed, sort of thought they'd put 'em on the modern costume back with Avengers 1, even if it made sense they wouldn't work in Johnston's movie. Seems they could make them work if they wanted to. That ship's long sailed by now though.