Jameson Black Barrel is a blended Irish whiskey made from a combination of pot still and grain whiskeys, with a higher proportion of pot still spirit than standard Jameson. It is matured in a mix of bourbon and sherry casks, including double-charred bourbon barrels that add extra richness, spice, vanilla, and toasted oak character. The result is a smooth, full-flavored whiskey with a warm, lingering finish.