Breathable air mesh upper with 3D print synthetic overlays for lightweight support and lockdown. Dynamic Hammock System wraps the foot for a snug, sock-like fit that moves with you. BioMoGo DNA-filled Propulsion Pods adapt to each runner's stride for custom cushioning with every step. Full-length S-257 Cushsole absorbs impact at heelstrike and returns the energy at toe-off for a faster stride. Rounded heel encourages more natural alignment, reducing stress on the joints for a more comfortable run. HPR Plus rubber outsole for durable traction on any surface. Wt. 8.5 oz.