This minty example came from the MAX show. Maker marked to Ferdinand Kick, Alsfeld. Note the size label still affixed to the sweatband...not bad for 75+ yrs. This cap is made from a summer weight, feldgrau cotton material in a 'crusher' type style.
Robert
We are the hollow men, we are the stuffed men...leaning together, headpiece filled with straw. Alas!--T.S. Eliot 1925