I went to the store to get a new larger water bottle, the water bottles they had were kinda tacky and overall just sad looking. Then, there were these things. I was like.. Those things look kinda weird. I started to squeeze them and check out the valve system they created. I bought one for myself and one for the wife when we go to the gym.
Yep, one of the best purchases I have made in awhile. Now, do I want to use it on my road bike? The pretty large opening/tip seems like it would end up being like an over eager woman of the night and by morning who knows what you would pull out of there? I feel the same thing would go on using this on a bike. Bugs? Gravel? Sand? I am talking about the bottle, not the woman of the night, get your mind out of the gutter.
The insulation seems to work really well too. Though, if you are trying to hydrate, having super cold water does you no good until your body raises the liquid back up to body temp anyhow before it can absorb it. A sloshy stomach isn't all that comfortable.
I would definitely recommend this bottle for the gym, or even driving in the car, or being at work.