Released in 2017, Compass Box Double Single (3rd Edition) blends 72% 19-year-old Glen Elgin single malt, matured in re-charred ex-bourbon hogsheads, with 28% older Girvan single grain, aged in re-charred ex-bourbon barrels. Limited to 5,838 bottles, non-chillfiltered, naturally colored, and bottled at 46% ABV.