It's a bottle - Polar Bottle Insulated 24 oz Bottle

I wanted a water bottle for my bike that would keep water colder just a bit longer. I tried a thermos that fit the holder and worked great but made all kinds of noise while riding. The Polar bottle is the next best thing. I find that if I freeze a little water in it, it does seem to last longer. I am talking about rides of 10 to 20 miles in about 80 degree temps.

This review was written in the old system and had content requirements that are different than reviews written today.