Yes, all the fields in the product definition pass to the Job Ticket, but we have also made three special fields (or variables) that if you use them they will display on the Production Job Ticket. These fields are: JTOption1, JTOption2, and JTOption3.
These fields have been used in many ways, but one example is that it can be used to display back the size of a shirt to be included in a kit. The user selects his size from a drop-down menu and then the selected value is assigned to the field, JTOption1, and it displays on the Job Ticket. You might want to have the field with a preface of Shirt Size:.