flip-flops / thongs
infradito
in-frah-DEE-toh
Literally 'between the toes'. Invariable noun: gli infradito (singular and plural are the same).
Metto gli infradito per andare in spiaggia.
I put on flip-flops to go to the beach.
Gli infradito non vanno bene per camminare a lungo.
Flip-flops are not good for walking long distances.