New, size 26.5cm Purchased at an authorized retailer The ROCKET X, a lightweight model designed for elite athletes, has been redesigned with meticulous attention to detail and evolved into the ROCKET X 2. A propulsive carbon fiber plate is sandwiched between a new, two-layer, ultra-responsive, high-performance midsole foam. This racing shoe features a mesh material that securely wraps the foot and a comfortable gusset that enhances the fit of the midfoot. Product number: 70519889 Manufacturer's code: 1127927-BKML 88