Boulder Flask

lightweight, ruggedized hip flask
From $16.50 - $16.50 As low as $16.50
In stock

Your favorite beverage can now go anywhere and take any fall with the sleek bumper flask. The Boulder Flask holds 10 fl. oz., has a shatter-resistant body with bumper, and a hinged silicone cap making it impossible to misplace.

Shatter-resistant, copolyester resin body and grippy, silicone bumper mean this flask can go anywhere

Wide mouth makes for easy filling, pouring and drinking

Hinged top with silicone grip is easy to open and impossible to misplace

More Information
Weight (lbs) 0.3000
Material Copolyester, Silicone
Major Dimension 10 fl. oz.
Includes 10 fl. oz. Flask, Silicone Bumper, Hinged Cap
Dimensions 3.7 in x 1.1 in x 6.5
Product Use Ultralight Backpacking

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All GSI Outdoors products are fully warranted to the original owner against manufacturer's defects in materials and workmanship. Normal wear and tear, which includes, but is not limited to, scuffs, dust, dirt, abrasion, etc., is not a valid reason for a warranty return. Repairs due to accident, improper care, or negligence will be performed at a reasonable charge.


WARNING: Flask designed for travel/outdoors use. Long term storage of liquids may affect flavor.

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