Mesh upper Low boot Lace closure Hairy suede quarter overlay Mesh tongue and collar Back In The ‘80S, The Original Rs (Short For “Running System”) Was Puma’S Innovative Cushioning Technology. Today, The Rs Has Reinvented Itself In The Rs-X, Featuring A Bulky Design And Fresh Material Mixes. The Rs-X Suede Multi Shows Off With A Suede Overlay, A Sizeable Silhouette And Rs-X Branding.