Smash your old PRs in this lightweight running shoe updated with nitrogen-infused DNA LOFT v3 cushioning for a plush, responsive ride. Breathable, engineered air mesh and a GuideRails® Holistic Support System create a cozy fit designed to strengthen your natural stride while keeping excess movement in check. Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfo