Keep your water cool and prevent bottle sweat. An insulated version of our handheld SkyFlask™ Speed 350ml soft bottle, the SkyFlask IT Speed 350ml features our IsoBound™ technology. Engineered to keep fluids at an ideal temperature 38% longer than a standard flask.
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ISOBOUND INSULATION
Prevents heat transfer from the user to the hydration, the ideal solution for a wide range of outdoor endurance activities
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ADJUSTABLE HAND STRAP
The ideal hand-held solution for running, adjustable strap cinches down to fit different hand sizes
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SPEEDFILL CAP
Flips open for fast refills and snaps closed for a spill-proof seal
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