・CARACTERISTICS "Integrated seamless midsole and upper construction enable a new level of lightweight fit, stability and performance. "Center flap-mounted BOA® L6 knob offers micro-metric fit and quick adjustments as well as a sleeker profile "Wrap-around upper structure reduces overlap, offers glove-like fit "Low-profile midsole promotes foot stabilization, maximizes power transfer and efficiency "Synthetic leather upper with micro-perforated structure permer to ensure good ventilation and a better fit "Specially designed for women for a natural, more comfortable fit. "Lightweight, glass-fiber-reinforced nylon outsole for improved power transfer.