PUMA's RS series revives the 1980s high-quality cushioning with RS (Running System) foam, an improved EVA compound offering superior rebound and enhanced stability. Originally developed by the RS Computer, this technology offers excellent energy return and a secure, confident stride, blending vintage aesthetics with advanced performance.Celebrate the unifying power of sports with the RS-X WH. Our 'The Unity Collection' trainer reminds us that we are part of a global family, united by our love of sport. The design expresses this with vibrant colours, drawn from international flags, and innovative RS technology. PU midsole: PUMA’s Polyurethane midsole assists a smooth foot stride for comfortable wear and a futuristic look Heel type: Platform Shoe width: Regular fit Heel-to-toe-drop: 0 mm Low boot profile Mesh upper with synthetic suede and leather overlays Rubber outsole Lace closure