Mizuno Women's Wave Inspire 10 Running Shoe Synthetic an d textile Imported Synthetic sole Shaft measures approximately 2.8" from arch Dissolving fit upper with Dynamotion Fit techonology This is a stability shoe designed for mild to moderate over pronation Lateral forefoot sculpting smooths touchdown and transition SmoothRide Engineering flex grooves Blown rubber forefoot,Gear up for a cushioned, supportive run with the Wave Inspire 10 from Mizuno. W stands for Women's, not Wide.