Vinification for is done in a combination of 228-liter and 500-liter barrels. Guillaume works without any enzymes, commercial yeasts, fining, filtration, or cold stabilization. He riddles every bottle by hand.

50% Pinot Noir and 50% Pinot Meunier from two plots of selection massale vines in Vrigny: Les Grands Chemins (planted in 1972, eastern exposure and sandy soil) and Les Chappes (planted in 1982, a western facing plot composed primarily of silt and directly contiguous to Egly Ouriet's parcels).