From Stride Rite, the Boys' Turbo Soft Motion Sneakers feature: Mesh and leather upper Seamless construction to cradle their natural shape APMA approved and built for first-time walkers Easy on-and-off with an oversized opening and hook-and-loop closure Anti-stink mesh linings help reduce odor Ortholite® memory foam footbed for extra comfort Flexible, rounded, slip-resistant soles encourage natural motion and help improve balance Synthetic outsole Imported.