Boys Running Shoes with Medial Post to Prevent Overpronation.Colour: Silver / BlueAdd some bounce to your kids’ run with the Kids’ 860v4 running shoe, featuring a new full-length ABZORB® midsole which provides superior cushioning for a softer running experience. A lightweight mesh upper and dual density medial post adds both breathability and stability, making this a great shoe for the very active child.FeaturesMedial Post consists of higher-density compression-molded EVA, located on inside edge of shoe, to help prevent over-pronationNon-marking outsoleSynthetic/Mesh upper