100% chardonnay from the Grand Cru vineyards of Avize, Cramant, Oger, Le Mesnilsur-Oger. Vinified separately, plot by plot, in 20-hl temperature-controlled stainless-steel vats and a small proportion of wooden barrels. Long ageing on the fine lees in small vats with regular bâtonnage (stirring of the lees).
Cellar-ageing on the lees: 8 years minimum - Dosage: extra brut, 4 g/l - Rest after disgorgement: 12 months minimum