Synthetic-and-mesh** NEW ** Rundry – An interior lining that wicks away moisture.** NEW ** Increased Forefoot Flare – Creates a propulsion platform with a support during toe-off.** UPDATED ** Reconfigured Bevelled Heel and Landing Zone – Adapts to a wider variety of footstrikes.** UPDATED ** Revised Forefoot Configuration and Vertical Flex Grooves – Deliver a greater amount of support and flexibility.** UPDATED ** Redesigned Upper – Fewer overlays and more seamless welds improve the overall fit. The mesh is now lighter and more breathable, keeping your feet cool and comfortable.