The Ovwa has been perfected to meet the needs of the stability performance trainer. The Ovwa has been perfected to meet the needs of the stability performance trainer. CarbonSpan+ shank is lighter, stronger, and provides a smooth powerful toe off Z-bound midsole features a lightweight and resilient compound, to provide a high-energy return with less weight and great response Dual density midsole offers stability and added support Quick-Lace system allows user to get shoes on fast with a single-handed pull