Review: Eco Vessel “Boulder” Triple-Insulated Bottle

On a whim, I picked up one of the Eco Vessel “Boulder” 25 ounce insulated bottles at a local health store. I’m a huge fan of stainless steel bottles, though usually for cold drinks, but the Eco Vessel bottle intrigued me in several ways.

First, it’s stainless and not aluminum. I prefer stainless vessels, not

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