Twelve C stands for 12 degrees Centigrade, or 55 degrees Fahrenheit, which is the best temperature to store wine. The company’s debut release was a 2012 Cabernet Sauvignon. The wine is a single-vineyard, premium Cabernet Sauvignon made of grapes sourced from the Beckstoffer Georges III Vineyard, one of Napa’s most prestigious terroirs. Winemaker is Mike Smith, who has worked at Schrader, Maybach, Outpost and Rivers Marie, among other wineries.