SpaceX has unveiled a sleek white spacesuit for astronauts on its crewed flights coming up next year.

Chief executive Elon Musk made the big reveal via Instagram on Wednesday. He says it's not him in the new suit, rather a SpaceX engineer.

First picture of SpaceX spacesuit. More in days to follow. Worth noting that this actually works (not a mockup). Already tested to double vacuum pressure. Was incredibly hard to balance esthetics and function. Easy to do either separately.

A post shared by Elon Musk (@elonmusk) on

SpaceX is developing a crew version of its Dragon cargo capsule for NASA astronauts. Boeing is also working to get U.S. astronauts flying again from home soil. Boeing is going blue for spacesuits for its Starliner capsules.

U.S. astronauts last rocketed away from Cape Canaveral, Florida, in 2011. They've since been riding Russian rockets to get to the International Space Station.

Musk says the new SpaceX suit has been tested on Earth - and works. He says it was incredibly hard to balance aesthetics and function.

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