Dynamotion fit sculpts the AirMesh upper translucent hexagonal prints hug your foot for a sock-like fit. Gone are the bulky overlays of versions past. The seamless construction takes away hot spots and minimizes the chances of blisters being the norm. The insole comes out so you can slip custom inserts in, and hit the ground running. The full-length, super-light U4ic midsole goes from your heel to your toe so no matter where your foot hits the ground, it's a sinfully soft experience Infinity Wave stretches out to absorb the hits X10 carbon rubber sole 12mm heel-forefoot drop excellent used condition