VIDEO: Caitlyn Jenner realises why girls wear sports bras in new ‘I Am Cait’ trailer

CAITLYN Jenner is still getting used to her new body, especially when playing sports.

In a new teaser trailer for her upcoming docu-series, I Am Cait, the 65-year-old hits the court to play some tennis and realises it is a little bit more difficult with her new assets.

‘Now I know why girls need a sports bra,’ she says.

Find out what else you can expect to see in the new show in the trailer below: