After about just a week of use, I can easily say this is one of the best, if not the best, steel water bottles I have ever used. It keeps water freezing cold even after a couple days in hot temperature. It also is one of the most convenient ways of not having to constantly refill due to its size and also practical to keep your phone, wallet, keys, knife, pens, etc. attached to the molle loops and the pouches. On a separate note, the customer service of this company was absolutely professional an...