The supermodel fronts the campaign which is all about the 'workout chameleon'
As Nike says, 'Versatility is the anthem of today's female athlete.'
Karlie Kloss explains, "I like to switch it up. I think that's the best way to really challenge your body and become stronger in every way."
Check out the different things she does to keep fit.
Karlie Kloss' workout exercises
The Pro Bra is available from Monday 14th July.
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