Wiktionary
suits up
vb. (en-third-person singularsuit up)
Usage examples of "suits up".
He'd managed, along with Poertena, to get two more suits up and running before the call came to drop everything and change the loadout on the shuttles.
The Orbiter's fire-suppression crew floated in their odd vacuum suits up and down the passageway outside of the OMC chamber.
I laid out the suits up front, and I think we might reasonably get out there and take a look at the old boat.
When she makes detective, I'm going to miss seeing our girl in uniform, but it should be interesting to see how she suits up otherwise.