Under Armour Kids' Pre School Assert 6 Adjustable Closure Athletic Shoe 100% Leather, Textile, Ethylene Vinyl Acetate, Rubber Imported Rubber sole Upper uses light, supportive foam between two soft layers of breathable mesh Durable leather overlays for stability that locks in your midfoot Stretch bungee laces & Velcro closure for easy on/off Anti-odor technology prevents the growth of odor-causing microbes Full-length cushioned EVA midsole delivers the ultimate lightweight & responsive ride