When camels are faced with an arduous time ahead they are able to use energy stores on their back in the shape of the hump to make sure they last the journey.
Camelbaks are brilliant, they are more comfortable, bigger and easier to use than bottles. undoubtedly they are safer to use than bottles too, how many times have you almost upended the bike due to a pot hole and cycling one handed whilst drinking... well if you are me too many.
So...I invested in a 1.5 litre Camelbak. They are basically a squishy silicon bag which you fill up with your drink of choice and then pass a tube/straw from the backpack all the way along a strap so that you can access it easily when cycling without removing the back.
Fluids are heavy and whats worse they tend to be going in the opposite direction from you due to inertia. To overcome that the backpack has a chest strap and a stomach strap. Whilst making the bag more stable on your back means that you cant breathe as easily. Loosen the straps and they may as well not be there. That causes your muscles to work with less oxygen, brilliant for short power training but really bad for endurance. Anaerobic exercise will tire you out far too quickly to gain any endurance from it.
And then when you are breathing heavily and struggling for air and go for a drink...your muscles work with even LESS air as you dont have to stop to drink any more. More anaerobic exercise. Thats not what I want. So yeah they are great but they have their disadvantages. Don't fall for the marketing hype alone.
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