German army officer shirt.

German light blue tailor's shirt sold in the kleiderkasse catalog for Officers of all weapons. A spot on the chest. Label on the collar marked "Sanfor läuft nicht ein, Sanfor does not shrink" Sanfor being the derivative of the first name of the American inventor who developed a process in 1930 which prevents shirts from shrinking when washed. At the bottom of the sleeves, passage for cufflinks.