Excellent Insulation
Bought this bottle about a month ago from HH and have been super impressed with it. Firstly, it's important to know that it is a lot bigger than most 1 ltr bottles (even insulated ones) and won't be fitting in the drinks holder in your car. Also, when it's new the thread on the metal cap is noisey (scratchy, metal on metal) when tightening or undoing... this cuts in better after a few cycles so bear with it. The bottle itself is extremely robust and a pleasure to use. It has a distinct look (my teenager thinks it looks like a grenade from a si-fi movie) and is a pleasure to use. The best thing is the insulation properties which are simply amazing. I have just spent a week in arizona with a mix of being in an office and heading out into the desert. Each morning I asked the breakfast server to fill my bottle with water and ice during the day I would top it up with water as I could. Next morning I would repeat but would find most of the ice from the day before was still in the bottle 24 hours later. Although it's not yet the height of summer for ice to survive 24 hours in the desert heat seems pretty impressive to me. All in all its a great bottle and I'll buy another when they are back in stock.