Zoot Women's Ultra Kane 3.0 Running Shoe Nylon Imported Rubber sole Shaft measures approximately Low-Top" from arch Z-Bound - Rebounds your energy, reducing stress and fatigue. CarbonSpan+ - Maximises a smooth, powerful toe off for effortless forward momentum without forefoot fatigue. 4 Density Midsole - Designed to give you essential stability, making for a more controlled and efficient run. UltraFit Uppers With Teksheen - Boost performance and reduce the overall weight of the shoe. Asymmetrical Fit - Matches the shape of your foot, boosting comfort and running efficiency over the long haul.