DIANA Women's Quilted Ballet Flats Made of supple full grain quilted leather with patent toe caps and skid resistant rubber soles embedded with pluggz grounding technology. Additional features include contoured memory foam arches and padded heels, moisture wicking, anti-microbial lining and a trampoline heel for comfort and support. Moisture Wicking Anti-Microbial LiningPadded Memory Foam Arches and HeelsProprietary Grounding TechnologySlip Resistant Rubber SolesTrampoline Heel for Comfort and Support