Springs like a cat. With the Ignite, Puma promised an ideal blend of flexibility, rebound, and cushioning. While lab tests confirmed high marks in the first two areas, its cushioning was midrange. Some testers found the toe narrow and the upper overly structured with heavy overlays. But even those who didn't love the fit reported that the shoe felt lighter than it weighed, likely due to its superior energy return. "It made me feel fast," says Patricia Hernandez of San Diego. "It had a nice bounce-back.