The Puma RS- X Hard Drive trainers are designed to help you move forward with every step. Mesh, textile and rubber panels that stretch across the upper, offering breathability and soft visual accents. PUMA's Running System technology is practically the nut and bolt of the motor, delivering luxurious cushioning and comfort, and the rubber outer sole brings you to a stop in an instant. There is a plastic heel tab at the rear for easy on and off, while subtle so- called PUMA RS- X and Running System are found on the tongue and heel. Running System: PUMA's comfortable cushion technology celebrates the reinvention of a unique moment or movement in culture. Mesh and textile upper for breathability. Rubber coatings on the upper part. Moulded footbed for added comfort. Rubber outer sole for grip. Features: - Rubber sole - Mesh and textile upper - Breathable - High level cushioning - Plastic tab on the heel - Rubber coating on the top