50% grain, 50% malt. The double distillation in copper stills is followed by an ageing in traditional oak casks, all matured by the climate with a particular climate in Brittany. Here are a few of the factors that now lead Distillerie Warenghem to offer this excellent Blended Whisky at 42% ABV. Breizh is a famous cousin of the WB, which was the first Breton Whisky.