Lightweight, breathable mesh upper delivers increased ventilation, giving the runners a lightweight and breathable feel in every step. Featuring a TPU heel overlay for added durability and support, these infant shoes are designed to go the distance come playtime. With enhanced cushioning around the ankle collar, these boys' shoes let the wearer enjoy a more comfortable, supportive step. A cushioned EVA midsole gives lightweight shock absorption, and a full-length EVA sockliner provides comfort. Built to last, the kids' running shoes feature a hard-wearing outsole. Materials: Upper: 72% Textile, 28% Synthetic, Outsole: 100% Ethylene-Vinyl Acetate (EVA). The shoes feature an adjustable hook and loop strap closure for easy on and off, and a full-length EVA insole for comfort and a custom fit.