Details Tabitha Simmons "Kittie" calf leather mule. Flat stacked heel. Pointed toe. Thin strap over vamp. Slide style. Leather lining and sole. Designer About Tabitha Simmons: Getting her start in the fashion industry as a model, Tabitha Simmons combined experience with personal style to create a namesake shoe brand. Debuting her first footwear collection in 2009, Footwear News awarded the company with "Launch of the Year" recognition. Attention to detail and the finest craftsmanship combined with exquisite materials set her pumps, sandals, and booties apart from the rest.