A hot drink makes a massive difference on the hill. In TRAIL magazine flasks were tested.
TATONKA Hot&Cold Stuff is an insulated bottel. It is in absolutely unbreakable, non-rusting stainless steel. With wide mouth and convenient screw pouring lip.
Superb performance, light weight and a great price for what you get.
Download the testresults.
Some like it hot. Others don't. These insulated bottles keep hot things hot and cold things cold.