Make resistance swimming an essential part of your swim training regimen. The highly compact and portable X1-PRO can be set up in a minute and provide an athlete with any level of resistance they choose from barely noticeable all the way to immovable. Clip the system into the lane lines and you’re ready to train any distance with any degree of difficulty. Customize sets and change the weight with the twist of a cap. Until now, there has never been a device capable of giving a swimmer all the features they need to take their power and speed training to the next level!