Keep them moving comfortably on the court with these adidas Phenom Jr. tennis shoes, designed with a breathable upper, supportive bootie construction and an adi-Wear® grippy outsole.-Heavy-duty canvas mesh upper is highly breathable and flexible-Seamless bootie construction for enhanced fit and step-in comfort-AdiPRENE midsole for cushioning and support-adi-Wear® grippy outsoleWomen's shoe sizing runs 1.5 sizes larger than youth sizing. So to determine your youth size, simply subtract 1.5 from your regular size.