Rittenhouse Straight Rye Whisky has a storied past with a heritage that commemorates Philadelphia's famous Rittenhouse Square. Bottled-in-Bond, today's Rittenhouse carries the distinct, spicy flavor that is long associated with the brand. Rittenhouse is the Rye Whisky of choice for both mixologists and whisky aficionados alike. Aged 4 years and 100 proof.