Description
Your favorite beverage can now go anywhere in the Boulder Flask. Includes graduations for measuring and can take any fall with the sleek bumper flask. The Boulder 6 Flask holds 6 fl oz, has a shatter-resistant body with bumper, graduations, 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.
Convenient molded graduation marks.
BPA Free.
holds 6 fl oz. Dimensions: 3.2 in x 1 in x 5.6 in.
GSI Outdoors, Boulder Flask, Sand, 6 fl. oz., GSI Outdoors
Price: C $50.51
as of October 15, 2025 1:31 am
as of October 15, 2025 1:31 am
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Price History
Statistics
| Current Price | C $50.51 | October 15, 2025 |
| Highest Price | C $50.51 | June 13, 2025 |
| Lowest Price | C $50.51 | June 13, 2025 |
Since June 13, 2025
Last price changes
| C $50.51 | June 13, 2025 |
Greg –
Ultralight yet reliably sturdy. Rubber and plastic, but quality material that would take a lot to break. The top cap is fully attached so there’s no losing the cap. These are available in 6oz and 10oz. Math-wise that makes the 6oz roughly 1/2 a shot less than a half-pint and the 10oz version is 4 shots less than a full pint. Good for being compact, sturdy, and very lightweight, but the volumes are limited.