adidas Oscillation Running Shoe (Big Kid) 100% Synthetic and mesh Rubber sole For modern cool, this running shoe reigns. Minimalist upper lets air flow from all angles. SoftTech outsole and flexible midsole for comfort, and visual seaming that screams "fast". Perforated sockliner for increased breathability. adiPRENE+ maintains forefoot propulsion and efficiency. adiPRENE provides protection from harmful impact forces. adiWEAR outsole for best durability in high-wear areas. adiPRENE