FIT SOMEONE OR SOMETHING (UP) WITH SOMETHING
fit someone or something (up) with something: translation
fit someone or something up† (with something) & fit someone or something (up†) with something
to provide someone or something with something for a particular purpose. •
We fit the couple up with fins, masks, and snorkels for skin diving.
•
The clerk fitted up the couple with diving gear for their vacation.
•
She fit them with tanks and weights.