Built to go the distance, its FF BLAST midsole technology provides added spring with reliable cushioning, while the internal gender specific 3D space construction is built to form to each runners' stride, and give stability where you need it. The silhouette has evolved with a broader base for a more inherently supportive platform, while maintaining it's LITETRUSS properties for added structure and accommodative fit. This versatile everyday trainer maintains the same reliable stability as it's predecessor, but enhances both cushioning and responsiveness for any type of training.