"Peat" is indispensable for adding a smoky flavor unique to whisky. Partially carbonized peat from plant heather and aquatic plants from northern Scotland. The use of peat when drying malt creates a unique smoky flavor.

"Heavy Peated" whiskey is usually strong and delicately smoky. Made from heavily peated malt. A variety of malt whiskeys are mixed with the pure water of The Yamazaki region, which is known for their water, and by adding a very small amount to the whisky, which is made by vatting using an exquisite balance tecnhnique, it gives an important depth and complexity to the taste.