What keeps your water colder or hotter longer, Hydro Flask, or our very well-built and comparable 40oz Endeavor Copper Insulated Thermal Bottle? Hydro Flask’s are awesome bottles, no doubt. Are they worth extra money you are paying for the brand? That might be up to the buyer, but they very well could be. See for … Continue reading “Are Hydro Flasks Worth it? – Hydro Flask vs. Endeavor Bottle Comparison”