Practical updates, like stretchy hook and loop closure and faux laces , make this bootie an easy go-to for the everyday. With SRtech Quinn'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 boy's and girl's bootie with leather upper and easy hook and loop strap closure. memory foam footbeds molded leather footbed APMA approved adjustable hook and loop closure with elastic faux laces organic canvas linings with anti-microbial treatment flexible treads move with the foot and support multi-directional movement patented srtech sensory pods rubber outsole for traction removable 'fit check' insole indicates when kids need a new size heritage collection outsole with 'est. 1919' etching tongue embossed with 'stride rite est. 1919' premium leather uppers