Mizuno Women's Wave Enigma 5 Running Shoe 100% Synthetic Imported Vegan Rubber sole Shaft measures approximately 2.5" from arch High-mileage neutral running shoe with breathable mesh upper featuring synthetic overlays Padded tongue and collar SmoothRide engineered sole for smoother transition Shock-absorbant Parallel Wave technology Responsive U4ic midsole X10 carbon rubber heel and toe for maximum durability