HYDRO FLASK - 18 oz Wide Mouth

HYDRO FLASK - 18 oz Wide Mouth

Availability: In stock

Stock #: E0M8-

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For those who like a wider mouth in a smaller, easy to carry size.

Replacing the existing cap on all Hydor Flask's Wide Mouth bottles, the new award-winning Flex Cap is the ideal combination of strength and flexibility. Designed for ultimate portability, they crafted every detail with easy-carry comfort in mind – and insulated it too– so you can go further, for longer, keeping your favorite beverage comfortably by your side.


  • Convenient Carry Size
  • Ideal for Day Packs
  • TempShieldTM Protected
  • Keeps cold up to 24 hours
  • Keeps hot up to 6 hours
  • BPA-Free
  • Durable, sweat-free powder coat finish (or our Classic Stainless option)
  • Lifetime Warranty
  • Industry-standard wide mouth opening fits many third-party water filters
  • Compatible with Wide Flat Cap, Hydro Flip Lid and Wide Straw Lid


  • 18/8 Pro Grade Stainless Steel


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