Hoka Mach 6 Women Tundra Blue RaindropHere comes our lightest and most responsive Mach yet. For even better energy return, this running shoe features a midsole with Super Critical Foaming technology, while a strategically placed rubber overlay on the outsole makes it even more durable. The speed focused design features a new jacquard upper that offers targeted breathability and an internal gusset to ensure a perfect fit for your next race.