GSI Boulder 16 Flask 470ml stuff An essential item for your

An essential item for your next hiking adventures

are factory seam-sealed

NanoScreens now snap-fit

Dimensions Opened Dimensions:

bush camps and overnight rest areas

GSI Boulder 16 Flask 470ml stuff An essential item for yourLightweight, ruggedized, wide mouth hip flask. 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. 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, stay open top with silicone grip is easy to open and impossible to misplace. Convenient