Keep your water cool with the Polar Bottle
December 7, 2007
Any avid cyclist has experienced a situation where they gave their water bottle a big squeeze after a tough climb and nearly gagged on the tepid liquid within. You choke it down because you’re dying of thirst.
A Boulder, Colo.-based firm called Polar Bottle has the solution. They created a water bottle they claim will keep liquids twice as cold as an uninsulated, single-layer plastic bottle. It is safe to freeze, so the company suggests filling it partially, putting it in the freezer, then topping it off with more water or sports drink when you head outdoors.
The bottles come in 20- or 24-ounce sizes and are lightweight and flexible. The double-wall construction creates a thermal barrier of air that keeps heat out while capturing the cold. A foil layer reflects the sun.
Polar Bottle uses a low-density polyethylene that is considered a food-grade material by the Food and Drug Administration. It avoids BP-A, a potentially toxic compound used in many plastic containers.
The water bottle is dishwasher-safe and has a removable valve. The 20-ounce model is 9 inches tall and fits in a standard bottle cage on bicycles. The suggested retail price is $8.99. It’s available at online retailers like REI, bike nashbar and Performance Bicycle.
My wife received a “freebie” Polar Bottle that was customized by Spyder ski wear. I’ve tried it out at the gym and it does, indeed, keep water cool. I haven’t had a chance to try it yet on a warm day.
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Polar Bottle’s website is lukewarm about using it for hot liquids. The bottles aren’t designed for that use, the company says, although people do use them to keep warm beverages at hand for winter hiking or skiing. I’m willing to bet it will work wonders with hot chocolate and schnapps on a full-moon ski outing.