Feist produces Port wines in the Douro region of Northern Portugal, drawing on the valley's steep terraced vineyards and the traditional grape varieties that define the category. The winery's 10 Years Old Porto, a blend of Tinta Roriz, Tinta Barroca, Tinta Cão, Touriga Franca, and Touriga Nacional, has been assessed by Wine Enthusiast, Wine Spectator, and Falstaff. An Old Tawny Porto built from Touriga Nacional and a Vintage Port combining five regional varieties round out the portfolio. These wines reflect the Douro's continental climate and schist soils, which impart structure and depth to the fortified wines that have long emerged from this corner of the Iberian Peninsula.