Lightweight and lightning-fast, this turbocharged shoe powers you through any run on nitrogen-infused cushioning for explosive, all-distance speed.Perfect for: Runners looking for springy energy and powerhouse speed in a running shoe that doesn't compromise performance with extraneous weight.Upper: A lightweight, breathable knit provides stretchy, shape-retaining performance as you move.Lower: DNA FLASH v2 technology provides 10% more energy return than previous iterations. Nitrogen-infused cushioning provides springy rebound with minimized weight. RoadTack rubber made with recycled materials provides lightweight traction in the high-contact areas of the sole. Ultralightweight: provides high-performance cushioning with extremely minimal weight Speed: transforms impact absorption into propulsive energy with ultralightweight cushioning Neutral: provides soft, even cushioning with an emphasis on comfort during any activity Lace-up style Removable, cushioned insole allows for custom orthotics DNA FLASH v2 nitrogen-infused midsole fuses explosive energy return with a lightweight, adaptable fit RoadTack Rubber tread made with recycled materials puts lightweight durability and rebound under every stride Textile and synthetic upper and lining/synthetic and rubber sole Imported