Sole material Rubber Outer material Genuine leather upper helps provide durability and structure. Closure type Lace-Up About this item Soft foam in the midsole helps provide lightweight cushioning. Rubber outsole helps provide durable traction. Jumpman on tongue and sole Description Kiddos who play all day need shoes that can keep up. Made for life on the go, these reimagine the best of the AJ4 with a focus on comfort and durability. Soft foam underfoot provides lightweight cushioning while a strong, flexible cage wraps the shoe to help add structure and a locked-in feel