PRODUCT STORY The RS-XK features an engineered mesh base with overlays and progressive elements paying homage to the original RS-X. This runner has a full-knit base with leather and suede overlays over a rubber outsole with a nylon pull on the heal top, so they're easy to put on. FEATURES & BENEFITS Running System: PUMA's comfortable cushioning technology celebrates the reinvention of a unique moment and movement in culture DETAILS Knit base and collar Suede heel and eyestay overlays Leather overlays on toe and heel TPU Formstrip with screen-printed lines Rubber outsole Material Information Midsole: 100% Synthetic Sockliner: 100% Textile Outsole: 100% Rubber Upper: 47.06% Textile, 30.88% Leather - cow, 22.06% Synthetic Lining: 100% Textile