M by Sine Qua Non is a single-vineyard Syrah dominant blend produced from the Eleven Confessions Estate Vineyard in Santa Rita Hills. From the sublime 2015 vintage it is composed of 90.6% Syrah, 4.4% Petite Syrah, 2.6% Grenache and 2.4% Viognier, aged for around 38 months in French oak, of which 66% was new. The label bears winemaker Manfred Krankl’s initial and his self-portrait.