Retro shoes inspired by trail runners. Inspired by retro runners, these Reebok Royal Hyperium women's running shoes in Grey / Blue win style points on city streets. The textured midsole sets off the upper for a 3D effect. FuelFoam cushioning provides step-in comfort and long-lasting support. The rubber outsole keeps footing secure on slippery surfaces. Color: Pure Grey / White / Crystal Blue.