Hydro Flask Standard Flex Cap Alpine

Hydro Flask Standard Flex Cap Alpine

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  • 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.


    Key Features:

    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