Puma Calibrate Restored Tron Shoes. This pair of iconic sneakers are developed for the most demanding runners. The unique midsole construction is moulded to provide immediate cushioning in combination with a grooved tread pattern for maximum arch flex. The mix of materials used in the upper includes stretch mesh panels, synthetic leather and suede, with a very solid design and a great attention to comfort. The elastic lacing system allows the fit to be adjusted to perfection.