Shop for Zig Kinetica 3 Shoes - Pure Grey 7 / White / Core Black at Reebok.com. See all the styles and colors of Zig Kinetica 3 Shoes - Pure Grey 7 / White / Core Black at the official Reebok online store. It's not the destination, it's the journey. Especially so in these Reebok running shoes. The latest iteration of the Zig Kinetica takes comfort and style up a notch. Floatride Fuel provides ultralight, responsive cushioning while the Flexweave® upper offers a winning combo of stretch and support. The amplified zigzag design brings a bold look to everything you choose to do in these shoes.