Reebok Zquick TR 2.0 Y Cross-Training Shoe (Big Kid) 80% Mesh, 20% Synthetic Rubber sole Breathable upper with NanoWeb technology for locked-in support Low-cut for mobility with FitFrame technology for stability Inspired by sports car tires, the Z-rated midsole geometry is designed for improved handling and traction Gas fueled Carbonated Foam midsole for a lightweight and responsive ride Medial and lateral midsole cradle helps keep the foot stable