The Distance PRO combines the Performance Pro SPIbelt with two of our highly rated SPI H2O Companion Bottle, making it the ultimate hydration belt. The two, 8-ounce bottles can be placed anywhere on the elastic, allowing runners to maximize comfort. This running belt is built for durability and can keep up with your longest runs. Go for a hike, run a marathon, go mountain biking. The Distance Pro will effortlessly keep your water and other essentials right where you need them!