ENERZY RIDER Jr.Features:Young athletes will get a burst of energy from this shoe designed to look and feel like the running shoes used by.pros.The MIZUNO ENERZY midsole provides incredible cushioning and energy return.The design is linked to WAVE.RIDER 28 for an authentic running shoe look.BENEFITS:- MIZUNO ENERZY - The Mizuno Enerzy midsole offers amazing cushioning and energy return.- The design is linked to our flagship model.the WAVE RIDER 28.Young kids who are starting to run and are looking for comfortable running shoe.Composition:Textile.