Though Captain America: Civil War changes the costume a little bit by changing the coloring on Steve's arms, this delicate balance of practicality and symbolism lends itself well to Captain America.
Bucky Barnes is the only Thunderbolts* member that doesn't wear a super-suit, and I think Captain America: Brave New World provides the reason why.
The Captain America suit designs are by Valerio Schiti ... justice and freedom. He fought a war against Nazism, ‘died’ in that war, and came back to life to do his duty and fight again.
Joe and Anthony Russo have looked back at being tasked with convincing Robert Downey Jr. to return to the MCU for Captain ...