The Paloma Barcelo Milan Heels feature a leather upper and insole, a buckle slingback style, and a closed toe to transition from warmer to cooler weather. The Paloma Barcelo Milan Heels feature a leather upper and insole, a buckle slingback style, and a closed toe to transition from warmer to cooler weather. Paloma Barcelo is a family-run business that began back in 1960 when Manuel Barceló opened his first footwear factory in Spain. Craftsmanship and expertise have made this family business a leader in natural fibers and hand braided and stitched leather.