From Stride Rite, the Boys' Archie 2.0 SRT Fisherman Sandals feature:  Leather upper Easy on/off closure with adjustable hook-and-loop closure Oversized opening for easy-on Synthetic lining Ortholite® memory foam for enhanced comfort Patented SRtech sensory pods to help develop balance and proprioception Flexible treads move with the foot and support multi-directional movement Soles designed to provide superior traction and grip Rubber non-marking outsole APMA approved Imported.