How to Draft an Action-Back Pattern Piece
Add an action back to a jacket.
This jacket from the 1950s probably was worn in the country. I’m surprised that no effort was made to match the plaid on this otherwise well-made garment. It has some nice detail, though, such as the cargo pockets. The feature I like most about this vintage jacket is known as the action back. You generally see this detail on hunting jackets.
The action back consists of a pleat on each side, extending from the shoulder seam or yoke, over the shoulder blade, and finishing at the waist. The extra fabric in the pleat allows the wearer to move his or her arms forward for strenuous activity.
The action back can start at the shoulder seam or start from a yoke seam, which it does in this jacket.
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