FeaturesEngineered air mesh uppers provide just-right breathability, stretch and structure for an accommodating fitNitrogen-infused DNA LOFT v3 midsole foam delivers soft, smooth cushioning that adapts to your unique stride for lightweight comfort mile after mileGuideRails Holistic Support System technology supports your body in its natural motion path while keeping excess movement in checkRoadTack rubber outsoles are made with recycled materials and offer lightweight durability and reboundImported.