Is it available in other sizes?
'Disponibile' — dis-po-NI-bi-le. Five syllables.
Ask when you like an item but cannot find your size on the floor. The shop may have other sizes in the stockroom, in another branch, or available to order online.
'Disponibile' means available. 'In altre taglie' = in other sizes. The singular 'è disponibile' with 'altre taglie' works grammatically — the subject is the item (singular). 'Disporre di' is the formal version meaning to have at one's disposal.
Lo ordinate in taglia S?
Can you order it in size S?
Asks about ordering capability.
Arriva in altri colori o taglie?
Does it come in other colours or sizes?
Asks about the full range.
L'avete in un altro negozio?
Do you have it in another branch?
Checks sister stores.
Many Italian fashion chains (Zara, Mango, OVS) have integrated online ordering from physical stores. Staff can order to the shop or directly to your home. This click-and-collect approach ('ordina e ritira') is increasingly common.