Blue/Ray Red/Core BlackComfortable shoes with energy-returning properties that keep you going.boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyFour-way stretch mesh upper for breathable comfortSock-like construction for best fitSupportive 3-Stripes bandageRubber outsoleThese junior running shoes move right along with you. They combine the power of energy-returning boostâ„¢ with an ultra-breathable, super-stretchy mesh upper to keep you going strong in comfort. A sock-like construction gives them a premium feel and fit.