This is a genuine U.S.G.I. M-65 field jacket liner. This quilted liner was made in the U.S.A. for use with the M-65 field jacket in colder climates. The buttons or button holes on this liner correctly align and secure it to the inside of all the M65 field jackets, o.d. green, woodland camo, 6 color chocolate chip, 3 color desert sand, ACU digital, etc.