Details & care New without box Built to take you from training to racing, this ultralightweight shoe sports a ventilated mesh upper to give you a streamlined fit with no distractions. Brooks has added more responsive BioMoGo DNA cushioning for a dynamic ride and increased the midsole stack height by 2mm for more responsiveness. Speed: transforms impact absorption into propulsive energy with ultralightweight cushioning Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Removable, cushioned insole allows for custom orthotics BioMoGo DNA sole fuses lightweight cushioning and rebounding rubber for a springy, responsive ride Textile and synthetic upper/synthetic and textile lining/rubber and synthetic sole Imported Item #6635258