Henschel Hat Co. Canvas Vented Safari Brim Hat Brown w/Leather Strap USA Size XS

This is used with signs of wear The size seems very small, as it is marked a medium. This is not a medium, but more like an XS I don't know. The band seems very stiff. Diameter is aprrox 20" with a cloth tape measure glue ? stain on brim, plus some water marks inside has wear, please see pictures