A modern bootie with a medial zip for easy on-off wear. A versatile, soft black leather with a light-weight, wedge heel for the perfect balance of height and comfort. . 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. A versatile, soft black leather with a light-weight, wedge heel for the perfect balance of height and comfort. 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.