From Dr. Scholl's, the Feel Chill EVA Buckle Hardware Strap Recovery Clogs feature: Soft, easy-to-clean molded EVA upper  Lightweight, flexible construction Padded instep Slip on for easy on/off with decorative adjustable buckle detail for a secure fit Anti-microbial, anti-odor topcloth with cushioning, comfort, & arch support REVITALIZE™ RECOVERY INSERT: Built-in anatomical footbed insert specially designed with targeted stimulating bubbles to help your feet recover faster, improve blood circulation in the feet, and reduce fatigue to help prevent muscle soreness in your feet and lower body Cushy EVA midsole for soothing pain relief and recovery Traction rubber outsole to move with you, plus rocker-type toe spring for a natural walking stride Approx. 1.33” heel height  Imported.