adidas Kids' D Rose 6 Boost J Skate Shoe 100% Textile and Synthetic Rubber sole Shaft measures approximately Mid-Top" from arch boost 's energy-returning properties keep every step charged with an endless supply of light, fast energy Materials mix upper for comfort, breathability and premium feel Crossover elastic collar strap; Ankle loop for easy on and off Integrated EVA midsole cage for stability and support Mid-cut construction; D-Rose inspired details