This item is a Vintage USAF Type CWU-1/P cold weather flying coverall.
These green flight suits were issued to pilots and aircrews during the Vietnam War Era and likely dates to around the 1960s.  These original USAF Military coveralls are an authentic piece from the Vietnam War (1961-75).

Measurements:
Total Length 61"
22" arm pit to arm pit.
Sleeve length 25" (measuring upper shoulder seam to sleeve hem).
Inseam 29"
Zipper Length 29"
19 3/4" shoulder seam to shoulder seam.

See photos of the actual item you will receive.
This will be well packed to protect and shipped via USPS Ground Advantage.