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

      Pair it with any of Hydro Flask's Standard Mouth Bottles for a durable way to take your favorite drinks on the go.

      24oz / 710ml Standard Mouth w/ Flex Cap
      Flex Boot - Small
      22oz / 650ml Tumbler
      18oz / 532ml Food Flask

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