Puma Complete Theseus Pro Running Spikes Microfibre Synthetic Upper  Matches the characteristics of K-leather, enabling a perfect glove-like fit. Microfibre Suede Lining - Provides a silky softness to the skin. Asymmetrical Lacing  Allows for an improved and comfortable fit. Pebax Plate Material Mid-Sole - Combined with a 100 percent woven carbon fibre forefoot, thus enabling a higher energy return whilst toeing off. A more curved and rounded sole - Fit for optimised stability and hold whilst sprinting.