Double hook-and-loop fastening for these 500s that are super easy to put on! Supple, lightweight, comfortable and supportive! Children will love wearing these running-style trainers, an essential item in their wardrobe that will accompany them on all their adventures.Material ContentUpper: synthetics and textile meshLining: textileInsole: textileMidsole: EVA for added comfort and lightnessOutsole: non-slip rubber, flexible and durablePlus pointsDesign developed to absorb knocks and bumps and protect feet with every stepLace-up fastening for an ideal fitRigid heel counter for good foot supportPadded ankle and tongue for comfort