MeshImportedRubber soleSurface: Road. Differential: 4.5 mm. Open-weave mesh upper with no-sew overlays provides optimal foot conformity and breathability. Enhanced metatarsal stretch panels for a firm yet flexible fit. Features a higher density post along the medial side that is 10 points firmer than the midsole EVA and extends to the forefoot flex groove, allowing for added stability and all-day comfort. Allover reflective hits. Plush tongue and collar. Breathable fabric lining. Newtonium full-length foam insole proThe Newton Running? Kismet 4 running gives all the support and stability you need to keep going mile after mile.Predecessor: Kismet 3.Support Type: Overpronation/Stability.Cushioning: Lightweight, flexible response.