Though they were leaked last month, U.S. Soccer and Nike officially revealed the home jersey (or "kit") for 2014, which will of course be worn at the World Cup in Brazil.
Not really much else to say here. They're solid white shirts with a collar. Boring? Perhaps. Some more contrast on the sleeves or collar would certainly be nice.
One odd feature is text reading "One nation. One team" on the numbers. The print is only visible under UV light, and since that's never going to happen, it's pointless.
The crisp white shirt might be a bit bland, but certainly shows what a difference two decades makes — remember the denim uniforms from the 1994 World Cup?