Standard Mouth Flex Cap Black
$ 10.95 New Available online
Hydro Flask

Standard Mouth Flex Cap Black

Style # SFX      Size:      Color: Black


Moves with you.

Strong yet flexible, our Standard Mouth Flex Cap is the perfect companion for spontaneous campouts, epic road trips, and everything in between. Made with stainless steel pivots and an easy-to-carry strap, this cap has Honeycomb Insulation™ to help keep your drinks cold for up to 24 hours or hot up to 12. Pair it with any of our Standard Mouth bottles.

Product Benefits

Compatible with all Standard Mouth bottles
Honeycomb insulation™ helps keep cold drinks cold and hot drinks hot
Durable, stainless steel pivots allow the strap to move easily
BPA-Free and Phthalate-Free
Lifetime Warranty

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