bootlast

bootlast

(ˈbuːtˌlɑːst)
n
(Clothing & Fashion) a foot-shaped piece of wood or metal inserted into a boot or shoe to help it keep its shape
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014