Xelero Steadfast Walking Shoe (Men) - Black/BlackThe Xelero Steadfast Walking Shoe offers a perfect balance of support and cushioning with its seamless fly knit upper that fits like a sock. The X2 Technology limits forefoot flexion and ensures a smooth transition at toe off. With Xelero Motion Control Technology, your foot will stay aligned throughout your gait cycle, giving less stress to your foot, ankle, knee, hips, and lower back. Mesh Upper Xelero Technology: Makes Running and Walking easier