Originally Posted by
digibud
Friends in hot places start rides with bottles filled with ice, topped off with water. You can also buy insulated water bottles but I don't see that helping much beyond 30min or so.
I recently bought an insulated bottle and it makes a big difference. In the summer heat here in FL, all the ice would melt within 30 minutes from my normal bottle and the water would be warm within 45 minutes or an hour. I still have ice in my insulated bottle after an hour.