Adena Piper Flats features soft full grain leather or nubuck uppers. Unlined uppers allow relaxed fit and comfort. Genuine suede leather socklining. Soft memory foam plus suppportive EVA sock provides customized comfort. Slip lasted strobel construction for flexibility and comfort. 15mm heel height. Molded rubber outsole provides excellent traction and durability. Genuine leather uppers on this unlined pattern may transfer colors onto skin or other surfaces, especially in dark or bright colors. Material: Leather, suede.