It vary based on where the product comes from in Italy.
Cured, dry is typical of the South. Historically, people from Calabria is known to have taught the Roman soldiers how to cure and make Soppressata.
Based on the cured method, Soppressata maybe seasoned with spices like garlic, fennel, oregano and pepper with a hint of hot chili peppers.
The Product made in Calabria has been granted the PDO status ( Protected Designation of Origin).