Field pack, Butt pack, fanny pack…all of these terms originated in Vietnam when this pack was put to the test. All are Vietnam Issue, msc 60 dates, date stamped and manufacturer will vary. While these are new, mint condition, never issued; some will show minor signs of storage and or shelf wear. Most of plastic identification holder tag are rubbed/scratched. Each pack includes it’s original manual entitled “Heavy Hints for Light Packs”.