Bunnahabhain 2016 8 år 100 Proof Edition #31 Signatory Vintage 57,1%

Bunnahabhain 2016 8 år 100 Proof Edition #31 Signatory Vintage 57,1%

1 st & 2nd fill. Oloros Sherrry Butts

What does the 100 Proof label mean?

In the whiskey world, "100 Proof" refers to the alcohol content of a spirit, especially whiskey. 100 Proof is equivalent to 50% alcohol by volume. This system of “Proof” was traditionally used in the United States and Great Britain, where the Proof value was twice as high as the percentage of alcohol. So if a spirit was 100 Proof, it contained 50% or more alcohol.

However, the Proof system is no longer in use so the alcohol percentage is more commonly used to indicate the strength of the spirit. However, in a historical and traditional sense, 100 Proof refers to 50% alcohol content