adidas Originals ZX Flux K Running Shoe (Little Kid/Big Kid) 100% Synthetic Rubber sole Flexible mesh upper supports natural motion and is breathable; mesh lining for soft feel and ventilation Torsion system for midfoot integrity; injected eva midsole for long-term, lightweight cushioning Mesh lining for soft feel and ventilation; tpu welded 3-stripes; woven label on tongue; tpu heel cage for added support