50% Pinot Noir, 30% Chardonnay and 20% Pinot Meunier. The 2015 Vintage Brut follows the earlier releases of 1999, 2004 and 2012. 10% vinified and aged in large oak casks. Winemaker Didier Mariotti. TA 4.8 g/l, pH 2.91, RS 6 g/l. Vegan.