Xelero Steadfast Walking Shoe (Women) - Black/PeriwinkleExperience optimal support and cushioning with the seamless Fly Knit upper, providing a sock like fit, while X2 Technology limits forefoot flexion for a smooth toe off. Let Xelero Motion Control Technology align your foot throughout the gait cycle, reducing stress on the foot, ankle, knee, hips, and lower back. Mesh Upper Xelero Technology: Makes Running and Walking easier Internal Rocker: Enhanced forward motion & provides rear foot stability Control