Originally Posted By: riprater
...In one of these stainless bottles, if it does accidentally freeze, you can place it on top of a stove or fire to melt the ice inside the bottle. You can't do that with a polycarbonate bottle...


Good point.

I agree w/ the other guys that a pot or canteen cup is the best route but remember the context here: a small shoulder bag where every ounce counts and minimalism/multifunction reigns. I'd rather have a nice backpacking stove and Teflon cookset but that's for a different context.