Insulated design keeps water cold 2X longer
Big bite valves self-seals after each drink, eliminating annoying drips
Large mouth opening allows you to fill the flask easily with ice and drink mixes
Empty flask collapses and folds ultra-compact to fit in most pockets
All parts top-rack dishwasher safe
Volume indicators in ounces and milliliters for tracking hydration and adding electrolytes
Hang flask upside down for easy drainage and drying
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