The Head Hydrosorb Replacement Grip offers an incredible combination of shock absorption and cushioning with optimal moisture reduction. The tacky surface ensures a solid, firm grip. Head HydroSorb Grip Black The Head Hydrosorb Replacement Grip offers an incredible combination of shock absorption and cushioning with optimal moisture reduction. The tacky surface ensures a solid, firm grip. Twin channel system for the ultimate in comfort and airflow Power perforations Hightack elastomer surface Tacky surface ensures a solid, firm grip. Twin channel system for the ultimate in comfort and airflow Power perforations Hightack elastomer surface. Perforated overgrip for wrapping around the tennis racket handle. Replacement grip Twin channel material system for improved cushioning and airflow high tack elastomer surface for a firm grip Power perforations for sweat absorption.