American Mitchell Reversible

The Mitchell was IMO severely underused by the American military. The Vine Leaf side was an interesting mimetic camouflage and the Clouds side would have served well as a disruptive pattern. Even the USMC had a test article based on the Mitchell Clouds pattern (though not a direct recolor).

Info dump
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Mitchell Pattern camouflage was developed during the Korean War. The reversible pattern featured the green 'leaf' design on one side and a brown 'cloud' pattern on the other. The design was first used in 1953, in the manufacture of shelter halves for the United States Marine Corps.

In 1959, the Mitchell Pattern was also issued as a helmet cover, which was worn by soldiers of the U.S.M.C. and the United States Army throughout the Vietnam War. Some of the old shelter halves also saw service in Vietnam, and more than a few were converted into non-reversible M65-style field coats.
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US Army trials of 1953 produced two additional camouflage patterns that were adopted for limited use by military personnel. Both patterns saw widespread distribution only as a reversible shelter half (1953) and reversible helmet cover (1959), with one pattern printed on each side. The USMC standard or “wine leaf” (sometimes called "vine leaf") pattern, consists of large overlapping dark green, lime green & ochre leaf shapes with brown twigs on a pale green background. Some tailor made clothing in this pattern did appear during the Vietnam War, made in Japan or South Vietnam from cannibalized shelters or Asian made fabric copied form the US design.
The USMC Mitchell or “clouds” pattern, consists of overlapping dark brown, russet, beige, light brown & ochre "cloud" shapes on a tan background, was printed on the reverse side of the shelter half and helmet cover. A variation of this pattern was adopted by the Police Field Force of South Vietnam.
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Information from kamouflage.net and Camopedia