Einheitsfeldmutze M43 Cap

A Luftwaffe wool M43 (feldmütze)

A tropical Luftwaffe M43 hat (tropenmütze)

A field made M43 of Italian camoflage material.

Depending on what theatre and what year your unit portrays... the Luftwaffe wool feldmütze is the most versatile choice. Some suppliers of headgear are Spearhead Militaria All Era Militaria, Hessen Antique, Landser and At The Front, there are many suppliers. Quality varies.