The einheitsfeldmütze, (meaning "universal issue field hat") issued from 1943 until the end of the war to all branches of the armed forces except the navy.  Hitler always neglected the poor navy.

Options available: Pebbled metal or gray "glass" buttons Cotton twill or rayon lining (rayon is more appropriate for late in the war) Trapezoidial machine-woven insignia: Heer (army), Waffen-SS, or none Sizes 56-64 (referring to the head circumference in centimeters)