AH Riise XO Reserve Rum Cask Sauternes is a carefully selected blend of rums from the Caribbean. The regular XO Reserve undergoes an after-ripening in barrels that have previously French white wine contains. As a result, the rum obtains additional complexity and a sweet undertones. Nose: hay, vanilla, caramel and crème brûlée. Taste: fresh, vanilla, creamy, fruity and floral. Aftertaste: rich and creamy.