There's fast. And then there's Adizero fast. Designed to help you PB on race day, these adidas running shoes are tuned for speed. Their secret? A game-changing mix of technology, innovation and athlete insight. Three layers of responsive Lightstrike Pro cushioning, ENERGYRODS and Energyblades come together with an ultra-lightweight mesh upper to send you barrelling towards your goals. Made with a series of recycled materials, this upper features at least 50% recycled content.