Max cushioning is uniquely balanced with support and stability. Featuring a lightweight midsole rebound technology to enhance your walking motion, this trainer goes the distance. A soft, breathable knit upper and a biomechanically designed footbed for comfort that keeps you in motion. Built-in vio motion technology footbed featuring contoured arch support, with shock-absorbing cushioning, deep heel cup to provide stability, and forefoot flexibility. The exclusive alignment technology balances the whole you. Upper: PU & Fabric. Lining: Fabric. Sock: Fabric. Sole: Rubber. Heel height approx. 4.5 cm.