The NOVABLAST 5 GS (Grade School) running shoe features a responsive cushioning system that helps produce an energized bounce. The shoe is reinforced with a toe rubber stitch, outsole phrase and wrap-up design outsole offering more stretch and added durability. It's also designed to provide better propulsion so your little one can run more comfortably. Polyester upper and lining. Ethylene vinyl acetate insole. Grade School specific last to align with the biomechanics of growing feet. Traditional laces for kids who can tie their shoes. Stitched rubber and overlays for improved durability. The most direct take-down from an adult style with technical features designed for little athletes. Trampoline synthetic rubber outsole.