Add air to your game with the most comfortable, easy to use vertical trainer available. Built to increase explosive leg power and strengthen key lower body muscles to maximize jumping ability, HOPZ is perfect for basketball, football, volleyball or any player who wants to add to their vertical. Strap on to build explosive leg power and strengthen jumping muscles Move resistance cables on belt to target specific muscles Change resistance cable quickly with patented Slide Lock on belt and ankle straps Adjustable belt with side padding fits better and helps with proper cable placement Durable cables and ankle straps with built in shoe harness keeps straps in place Show More Show Less
