Are those thrusters on the back of her legs? Dayum! Chaldea gets all of the best shit.

Yeah. Mash gets a new costume in the new chapters of Grand Order.
It's called "Orteanus" or something like that.

Her shield also has a bunch of rocket boosters. Its pretty cool, if very different from what we're used to.

Unfortunately its necessary due to Galahad having his head stuck up his ass since beating Beast I.

Adding in the visor, she's just a few steps away to being a mecha girl