their legibility, using a three-layer design consisting of a black background, colored letter, and a clear covering intended to make the letter appear to "hover" inside it. The buttons themselves are also spaced slightly closer together.

The bumpers and trigger buttons were overhauled with a new curved shape to improve their ergonomics, as the user's fingers now naturally lie at an angle upon them unlike the straighter design on Xbox 360 controllers. The bumpers were also made flush with the triggers.