Hydro Flask Wide Mouth Flex Straw Cap
Black / OS
$10.47
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For athletes who want to drink without breaking stride, the Flex Straw Cap turns any Wide Mouth Hydro Flask into a sip-on-the-move bottle. The flexible straw folds flat for storage and pops up instantly, while the leak-resistant seal keeps your pack dry when the bottle rides on its side.
Hydro Flask Wide Mouth Flex Straw Cap
$10.47
- Fits all Hydro Flask Wide Mouth bottles — instant upgrade to gear you already own
- Flexible straw folds down flush for pack storage, pops up for quick sips without unscrewing the lid
- Leak-resistant seal holds tight when the bottle is horizontal — no soaked gear, no wasted water
- Built for runs, hikes, and hunts where stopping to fiddle with a lid isn't an option
- Available in Black — low-profile finish that pairs cleanly with any Wide Mouth color