Not sure if this is a M65 of a M51
Has a burn hole in the sleeve as shown in the photos and some spots.
Coat, Man's, Wind Resistant
Sateen Cotton and Nylon, OG 107
Mil-C-4883C (USAF)
8405-753-6197
MED SHT
John Ownbey Co, INC
DSA-100-965
2 SEPT 1965