• Variety: Chardonnay
• Vine Age: Les Côtes: 1963, Les Rocheforts: 1962
• Terroir: From Bisseuil within the parcels Les Côtes and Les Rocheforts. Both south-facing, clay-limestone.
• Viticulture: Sustainable, organic practices in years with low disease pressure.
• Vinification: Ambient yeast fermentation and aging for 10 months in 228 L barrels (0-10% new), spontaneous malolactic conversion, bottled, aged on lattes for 30 months, no fining or filtration, SO2 added during initial vinification and aging, extra brut.