A neutral everyday trainer that's designed to improve your underfoot cushioning experience , FF BLAST™ PLUS cushioning helps create a lightweight and energetic ride, Rearfoot PureGEL™ technology maintains all of GEL™ technology's key properties, but reducing its weight and creating a softer cushioning experience, FLUIDRIDE OUTSOLE helps create a smoother and faster ride, Engineered mesh upper helps provide advanced breathability and comfort without the need for traditional overlays