Arizona wool felt - does the felt break in and not be so stiff over time? Anyone have any personal experience with this kind of material on Birks. They will be strictly “
BIRKENSTOCK Arizona Classic Footbed Shearling Mink Suede bei CareOfCarl.de
AFS-Schuhe 26100 Pantolette für Damen aus Filz mit Fußbett; Made in Germany