There are no patterns that match the costume completely, so a lot of alterations had to be made to a purchased pattern from Kwik Sew.
Many thanks go to Leia Costuming for the information about the pockets and seams that are on the X-wing pilot coverall. This information was very helpful in making the AT-AT driver coverall as well. I also gleaned useful information from Troopers.com, thanks for the excellent Imperial coverall reference images. Echo Base was my source, thank-you, for the pocket patterns. Kim was also a help with her tips that she posted on the Midwest Base Rebel Legion forum.
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Right Arm Pocket
Left Arm Pockets
Right Arm Pocket
Left Arm Pockets
From what I could tell, the "com pad" pocket on the left arm of the AT-AT driver coverall is slightly different than the ones on the X-wing pilot coveralls. The window in the center seems to be smaller and more centered than the X-wing version. Other than that, the pockets are nearly similar. The difference being in the leg pockets. The AT-AT version has two flapped pockets with pointed flaps while the X-wing version has 4 flapped pockets with flat flaps. Some other Imperial coveralls have a pointed flap on the right arm pocket. As near as I can tell, all Rebel coveralls have flat pocket flaps. The Imperial pocket flaps vary.
The AT-AT coverall that I sewed is made from Rodeo Poplin in "Grey Morn". It is closed with a zipper up the front and white Velcro fasteners at the collar, cuffs, and pocket flaps. It was made in a altered-to-fit 2XL.
The AT-AT coverall that I sewed is made from Rodeo Poplin in "Grey Morn". It is closed with a zipper up the front and white Velcro fasteners at the collar, cuffs, and pocket flaps. It was made in a altered-to-fit 2XL.