lightweight magnesium frame

Tighten up the elastic waistband on the fly with the quick-tie drawcord

It features removable studs and a rearfoot GEL unit to attenuate shock

and easy to clean

The laced floating tongue makes them easy to step into and adjust

Structure Plus Women's Road Running Shoes Surface--Road lightweight magnesium frameDouble stacked foam creates our most cushioned stability shoes yet. Take supportive cushioning to the next level in the Structure Plus. We stacked responsive ZoomX foam on top of ReactX foam for a smooth, and secure ride. Plus, our midfoot support system helps provide a stable transition from heel to toe.