Top: Mahogany, Side/Back: Mahogany, Neck: Okoume, F/b: Walnut, Bag included - The Flight DUC323 is a concert-sized ukulele made from laminate mahogany, giving it a warm and resonant sound. Do not let the “sober” look of mahogany fool you, though—mahogany ukuleles, especially those fitted with an arched back like the DUC323, know how to growl