Inspired by its namesake, its no surprise Carvelas Seville mules exude a classically elegant aesthetic that would look at home in the Spanish city. However, there is far more than meets the eye with this pair. Imagined in smooth leather, the design is crafted with the brands All Day Long technology, boasting a lightweight feel, padded insoles and breathable lining to keep you feeling your best as you stroll the balmy city from day to night. Leather/Other Materials.