You can also refer to them as "driving loafers" or just "drivers". They are essentially a mocassin-construction slipon with a snug but comfterble fit. The defining feature are the small rubber pebbles that cover the sole and extend to the back of the heel. They are very flexible and provide an added grip. Expertly engineered to keep you two feet comfterble as possible while navigating the road on four wheels, the driving mocassin was the footwear equivalent of the italian auto spirit, marrying luxury with practicality. 

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