These men's Pure Boost trainers from adidas are all about giving back what you put in. Equipped with energy-returning Boost tech for swifter, more efficient running, the knit upper contours to your foot, delivering adaptable, breathable comfort with every transition. A Fitcounter moulded heel means a more natural fit, while the Stretchweb rubber outsole flexes, creating smoother, supported movements from foot to foot.. Material: Textile Upper/Synthetic Sole