These womens running shoes combine style and performance for a winning combination designed to respond to the ways a womans foot moves as she runs the shoes floating arch hugs and adapts your foot from push off to footstrike a mesh upper wraps around and underneath the midfoot for a supportive fit and maximum ventilation the energy returning boosttrade midsole propels you forward with each step and the stretchy outsole flexes to adapt to the way your foot strikes the ground