APMA approved Ortholite memory footbed Easy on hook & loop with elastic laces Leather/Synthetic/Textile 100% recycled linings Wipe clean Soles designed to provide superior traction and grip Patented SRtech sensory pod SRtech provides a sturdier structure and tread design for independent walkers. Designed with sensory pods, on the move toddlers will be able to feel the ground beneath for better traction and grip. Special treatment to help reduce odors