Rare Luftwaffe cold weather flying suit marked Striegel & Wagner 1940

Rare Luftwaffe cold weather flying suit in good used condition. The coverall is maker marked Striegel & Wagner K.G. 1940 size IIB. The zippers to the lower legs are missing their pullers; otherwise all zippers work and most buttons except one button on the fly look to be present. This is a very heavy suit and hard to find in good condition!