Rockport Kalila Pump Black Size:5 Med Stability shank embedded into midsole Calming Stability shank embedded into midsole supports the arch and helps create a smoother gait silky and completely hydrated and the retention foam footbed ensures complete comfort with each step Retention foam helps provide full foot contact and support Foam backed lining helps provide glove like comfort Polyurethane Midsole plate helps provide mid foot support and stability Full grain leather is easy to clean and maintain to extend product life truTECH® sport technology helps provide shock absorbing heel cushioning truTECH helps provide all day comfort and forefoot cushioning