Most of our individual items have back in stock dates when browsing. You can select the swatch and size to see when it comes back in stock. See below for an example:
At this time, we do not have a notification email for when items come back into stock. If an item you're looking for doesn't have a date, email us at email@example.com and we can give you a better estimate of when it comes back or let you know if that item has been discontinued. Please note: these are not exact dates as items can be delayed in transit or during production. We will do our best to give you all the information we have!