KAP7 IS THE OFFICIAL WATER POLO BALL OF THE MEN AND WOMEN'S USA OLYMPIC TEAMS, NCAA, AND HIGHSCHOOLS AROUND THE COUNTRY. THE KAP7 BALL HAS QUICKLY BECOME THE GO-TO CHOICE FOR AMATEUR AND ELITE WATER POLO PLAYERS ALIKE. KAP7 has tapped into years of experience, proprietary technology, and the highest quality materials to develop the HydroGrip Ball. It is the best and longest lasting ball in the world. The HydroGrip has been designed to meet guidelines for local, national, and global specifications.