The GEL-550™ TR PS (Pre-School) walking shoe is made for curious minds set on exploring. It combines a cushioned midsole with a supportive upper. Featuring an adjustable ankle strap for stability, this shoe also has GEL™ technology in the midsole for improved inward for impact distribution upon landing. Understanding your pronation type can help you find a comfortable running shoe. The GEL-550TR PS is made for Overpronation.