On your best running days, everything falls into place. These men's shoes help you find the freedom of that best-ever run. Built with dual-density boost™ for increased stability, the highly responsive midsole absorbs the force from your footstrike to deliver an energy-fueled push-off. An adidas Primeknit upper with integrated midfoot support hugs your foot for a comfortable, natural fit. The gridlike outsole stretches to adapt to the way you hit the ground.