Elon Musk has been hyping up Tesla's angular ... Musk also appears to have another custom-made pair of Kiziks, with one shoe bearing the X in the SpaceX logo and another bearing the Tesla logo.

Billionaire Elon Musk was spotted sporting some unique footwear Friday as he stepped off a plane in Palm Beach, Fla., en route to President-elect Donald Trump’s White House transition nerve center.