Sol Sana Suzy Mule in Black. - size 38 (also in ) Sol Sana Suzy Mule in Black. - size 38 (also in ) Leather upper with man made sole. Slip-on styling. Heel measures approx 4 H. SOLS-WZ123. SS172S454N. In 2010, Sol Sana took to the fashion scene with two objectives: comfort and style. The line's creator Aussie babe, Sara Caverley, has developed a collection of footwear that makes a bold statement. Designing everything from sassy pumps to vintage-inspired platforms, sexy lace-up sandals and flats, Sol Sana bridges the gap between high fashion, affordability and quality.