With SRtech Jasper's many upgrades -- including memory foam insoles, flexible design and enhanced traction -- independent walkers can make the world their playground. SRtech™ provides a comfortable yet sturdy foundation for feet, enabling toddlers to walk steady on their own.Toddler shoe with leather construction and secure hook and loop strap closure Ortholite® memory foam for enhanced comfort Seamless construction that cradles the foot's natural shape Oversized opening for easy-on APMA approved