French used oak

Light toasting
Roundness, Light woodiness, minerality.
Flavours: coconut, caramel, vanilla, butter.

Medium
Roundness, Sweetness,complexity.
Flavours: coconut, caramel, vanilla, honey, coffee, chocolate, brown sugar, spices and toasted walnuts.

Medium+
Roundness, powerful aromas.
Flavour notes: caramel, coffee, spices, vanilla, toasted almonds, wood, smoke.

Heavy
Powerful aromas, acceleration of the ripening process.
Flavour notes: vanilla, brown sugar.