Shafer Vineyards is a 30,000 case winery in Napa Valley's Stags Leap District managed by the father and son team of John and Doug Shafer. The Shafers own and farm 200 acres of vineyards, sources for Shafer's signature wine, Hillside Select, One Point Five Cabernet Sauvignon, TD-9, Chardonnay, and Relentless (Syrah).