A "leather sport bucket" is a type of car seat that combines both comfort and style. It typically features a bucket-shaped design made from high quality leather, providing support and durability for long drives or adventurous trips. The term "sport" suggests that this type of seat is designed to enhance the driving experience by offering better ergonomics, lateral support, and adjustability. Overall, a leather sport bucket offers both comfort and an exciting driving experience for passengers in the car.