ALL-AROUND LACE-UP SHOE FOR COMFORT AND PERFORMANCE IN THE GYM, AT THE CRAG, OR OUT BOULDERING. Unlined leather upper for a soft, comfortable fit Tensioned heel rand and powerhinge for high-end edging performance 5mm VibramA(R) XS Edge Sticky rubber outsole CONSTRUCTION: Slip lasted UPPER: Leather/ Microfiber LINING: Unlined MIDSOLE: 1.1mm LaspoFlex with P3A(R) SOLE: 5mm VibramA(R) XS Edge