Loved these Garmont boots, they were awesome, but I've switched over to NTN bindings and they need a new home. I whole heartedly think Garment made the most comfortable and best performing boots. It's tragic they aren't around anymore. Hope you are still riding duckbills and can take advantage of all the life left in these boots - which is most of it. They have a few scuffs but are otherwise barely used.
The shell fits sizes 23-24.5, the liner (which is heat moldable) is 24. Other size liners can be bought online or at ski shops, or be used from past ski boots.
I used Superfeet insoles in them and don't have the originals. I would recommend you do the same.