Jacket Back Digitizing: Sizes, Stitch Counts & File Formats Jacket back digitizing turns a large logo, mascot, or lettering into a stitch file sized for a jacket's back panel. At iDigitize, we provide professional jacket back digitizing services that create machine-ready files for denim, leather, varsity, fleece, and bomber jackets. This guide explains how the process works, which design sizes suit each jacket type, and what to check before you order....