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Product Description
The flagship water bottle from Colorado’s EcoVessel, the Boulder features a triple-insulated stainless steel construction to keep liquids cold for up to 36 hours, or hot for up to 8 hours. The secure, leakproof top has a wide-mouth opening for easy filling, as well as a smaller opening for drinking Read More
After having gone to this triple-insulated thermos, there was little for me to go back to in the line of steel & non-insulated bottles. The finish has held up exceptionally well after a year of abuse, as have the gaskets, steel caps, and cap straps. The diameter fits perfectly in nearly any automotive cupholder, unlike many bottles of this capacity. It meets and easily exceeds the advertised hot/cold time listed, keeping in mind that the bottle performs at its peak when it is stored UPRIGHT.
I have noticed that on especially hot days, cold beverages will sweat through (condensation will form on the cap) if the bottle is stored tilted/upside-down when full. I strongly recommend this for both work & play, as it's performed perfectly doing both for a year and counting.
Over the years I've bought and used quite a few water bottles. These are, simply put, the best I've ever had. Not only do they keep my beverage of choice cold for well over 12 hours (and I mean COLD) but, amazingly - as my beverage of choice is seltzer water, they keep the fizz in for 12 hours+ as well. Now THAT is a water bottle worth having. The 'Mossy Oak' finish is also a nice touch, people always call it 'cammo' but it is distinctly not. A top Massdrop find - hope they do it again because I will buy another pair or two.
Went 3/4 of the way to a good product but fell a little short
For the price: kinda good, you can get reliable, truly full steel insulated bottles from Stanley at a lower cost (just no choice in color). Yes it keeps things cold for a while, but being that the entirety of the cap is plastic, this product has a good chance of breaking at the cap. If you use the cap retainer to carry it (as I'm guessing many people will), you will eventually chip away the plastic nub on the top, and also punch its rod through, breaking the seal on the silicone on the underside of the cap, making it leak and hold temperature for less time. Probably could have done better with a steel cap system. (EDIT!: EcoVessel sells replacement lids for very low cost, and their customer service is absolutely amazing! My issues with these caps have been addressed with very minimal effort and cost to me)
Functionality: works well I suppose, though that filter tray is garbage for loose tea leaves (tolerances are not tight enough to keep leaves from just going around the filter) so it's really only good for keeping ice or teabags held down in the body away from the nozzle. The bottom of the bottle also dents EXTREMELY easily (it's a thin aluminum cap on the bottom), making it hard to maintain a flat bottom and not have it tip over to make more dents. However, the rest of the body of the bottle is very strong, and coated in a finish that helps to keep scratches from compromising the outer steel layer (at least on the matte finished products, which would mean extra protection from dead vacuum insulation).
I have literally dragged one of these up a rock wall, with only minimal scratching on the body, and denting on the bottom + the cap being the end result. After the chipping started on the cap I got a little reckless with them and had, admittedly, given up on them. So, with my two bottles I didn't care much about, I beat them up, and they took it well.
While the internal functionality does not deliver 100% on what was advertised, and the caps being an issue, I can't really give these 5 stars. But 4 is pretty darn fair.
Cooling feature works well. Used it on a road trip to store single wrapped cheese sticks. Filled it with ice and cheese at 7 am on saturday anf there was still ice in the bottle at 2 pm the following day, and the cheese was still chilled. Works well for beverages too.
It's a water bottle. It keeps things cold and inside unless I want them to come out. The metal in the top is a nice touch. Overall well built for the price.
Great bottle -- keeps stuff cold, keeps other stuff warm. The build is pretty good and the double cap arrangement is superior to drinking out of wide mouth bottles as some other brands would have you. The one issue is that you need to crank on the cap pretty hard to get a good leak-free seal.
I'm sorry, but I really did not like this bottle. It has things that I thought I would enjoy, but I don't.
The tea tray just gets in the way and makes a mess. Once the leaves re-hydrate and swell the whole thing just becomes a bother.
I really like the thought of the spout at the top, but it is way too finicky. I have several time screwed that little lid on thinking it was properly sealed only to have my tea leak out of the cap. The downfall of that little cap are the treads, they're too small and too close to one another, that you get false reassurances.
The temperature consistency was the only thing that worked well. But to me this is a dime a dozen thing anymore.