Chalk/Black/Laspin Style:100206602 Floatride energy foam, Rubber outsole Why choose between soft and springy? Fast and smooth? Meet the new shape of running, the high energy return FloatZig 1. Designed to inspire everyone to lace up and get outside, these women's Reebok running shoes are built with premium lightweight foam technology in a geometry that enhances cushioning, energy return and a smooth transition to give a unique underfoot experience.