Textile upper Leather overlay Low boot Embroidered Formstrip Back In The 80S, The Original Rs, Short For Running System, Was The Innovative Cushioning Technology From Puma. Today, The Rs Has Reinvented Itself In The Rs-X, Featuring A Bulky Design And Fresh Material Mixes. With The Rs-X Halves, Puma Has Split The Upper Of The Sneaker In Halves To Show The Design Though Its Unique Colors And Materials.