I found out during my last long, hot ride that I wasn't hydrated enough because my strength was waning. I can't wait and try it out tomorrow.

Melissam, I thought about using it to store my windbreaker too when fall rolls in.

Sbctwin, hopefully I'll drink enough that the weight from the CamelBak will dwindle rapidly. Now if only I had a handy-dandy porta potty for the road.