Women's Endorphin Speed 4 from Saucony is a versatile running shoe for women, particularly suitable for asphalt and hard surfaces. The shoe is appropriate for both training and racing. The new version has received several refinements, such as an updated ultra-light and very stiff S-curved nylon plate. It is constructed with what is called Winged-Geometry, which means the plate provides a stabilizing function. \n\nSpeedroll technology offers good propulsion in the stride\nWinged nylon plate, stabilizes the foot at maximum load\nSPEEDROLL technology\nContains recycled fabric\n Saucony Women's Endorphin Speed 4 Dusk/Peel | Buy Saucony Women's Endorphin Speed 4 Dusk/Peel here | Outnorth