Genesis of kangaroo jacket dates back to the early twentieth century when the parachute jumping began. Lightweight compact troops win territory through the paratroopers. This new type of troops needed entirely different solutions than the infantry.
It was very hard to accept the tactical use of the same jacket in the air and on land. The infantry needed comprehensive solutions. After many years of trial and error, the classic model formed in the late '70s to this day faithfully serves during tactical actions in the field as well as during everyday use.