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Standard Mouth Insulated Sport Cap
Hydro Flask
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Details & care
Stay hydrated on the go with an ergonomically designed bottle cap that provides superior insulation and an increased flow rate.
- Fits any Hydro Flask standard mouth bottle
- BPA- and phthalate-free
- Quiet, no-whistle valve
- Increased flow rate
- Polypropylene with silicone spout
- Dishwasher safe
- Made in the USA
- Item #5378797
- Core Product ID 3333355T9K
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Hydro Flask
Headquartered in Bend, Oregon, Hydro Flask launched the first all-insulated bottle in 2009 and has spent the last 10 years delivering on its commitment to save the world from lukewarm.