1 of 8
Photos

LaBow kicked off the process by trying on pairs of 3x1's limited edition jeans ($295 to $445). She quickly decided on a skinny style with decorative zippers: "A sort of Balmain pant—let's call them Barely Balmain? Baby Balmain?" With that in mind, the 3x1 team drew up a pattern based on her specifications.

1 of 8