Lets Talk Health Benefits
Maintenance hydration (drinking water in small amounts frequently) is a far more efficient way to keep up adequate hydration especially when doing strenuous activity.
It helps maintain homeostasis - the body's need to reach and maintain a certain state of equilibrium. It’s a much better option than playing catch up hydration by drinking a large amount after the race or while you are still riding/driving/racing trying to concentrate and take your hands off to find grab your hose and put it in your mouth.
Also, when you stop breathing to suck on a tube your body fills up with Co2. When using Solestream you can continue to breath through your nose expelling the Co2 and maintain your oxygen levels.