Hydro Flask 21oz Standard Mouth Insulated Water Bottle


Hydro Flask’s unique combination of temperature, taste and transport make this more than a water bottle. Don’t get us wrong. The Hydro Flask 21oz Standard Mouth Insulated Water Bottle is one heck of a water bottle but it’s much more versatile than that. The TempShield double-wall, vacuum-insulated construction keeps your cold drinks cold and your hot drinks hot, with no condensation or too-hot-to-handle heat transfer to the outside of the bottle. You can expect iced drinks to stay cold for up to 24 hours and hot drinks to be still steaming hot up to six hours later. The unique design eliminates the need for a heavy bottom cap like other lesser products, meaning the Hydro Flask 21 oz. Standard Mouth Insulated Water Bottle is lightweight, the lightest in the insulated hydration category. Technology you don’t see adds more benefits, like the small metal disk located between the two walls that absorbs moisture and gas during the vacuum process, allowing for thinner walls and a slim, streamlined design.


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SKU: S21SX Categories: ,