Completely reengineered, the Bondi 9 offers increased stack height and a premium foam midsole for an ultra-plush, responsive ride ideal for daily mileage.. Structured knit upper with zonal venting enhances airflow and foot-hugging comfort in key areas.. 3D molded collar cushions the ankle with a plush, secure fit for added stability and comfort.. Rearfoot-focused Active Foot Frame cradles the heel for more supportive, balanced landings.. Durabrasion rubber outsole is strategically placed to resist wear in high-impact zones, extending the shoes longevity.